Breathing through the nose rather than the mouth is advantageous because

Answers

Answer 1

air is humidified on inhalation, water loss is reduced on exhalation, heat loss is reduced on exhalation, air is warmed.. all are correct.

Answer 2

Question:- Breathing through the nose rather than the mouth is advantageous because

Answer:- The nose warms, humidifies, and filters inhaled air. The majority of the nasal cavity is lined with: pseudostratified ciliated columnar epithelium.

Related Questions

A patient is 32 years old and complains of chest pain, a burning sensation in the chest, increased salivation, and difficulty swallowing. he has difficulty breathing and feels as if there is a "lump in his throat". what conditions does he have? describe this condition in the context of the lecture and textbook.

Answers

With the salient features of this patient comprising of heartburn, difficulty swallowing, and globus sensation (feeling of lump in throat); everything points out to the impression of gastroesophageal reflux disease or GERD. GERD is the backflow of highly acidic stomach acid to the esophagus. The epithelium of the esophagus is not adapted to these highly acidic environments therefore causing damage to the epithelium which is responsible for the symptoms.

Chronic GERD is a risk factor for columnar metaplasia of the esophageal epithelium or Barrett's esophagus; and developing Barrett's esophagus is a risk factor for developing esophageal adenocarcinoma.

"which best describes the state of health insurance in texas"

Answers

Texas has the highest proportion of uninsured residents of any of the 50 states

Which of these statements is not correct regarding our limbic system? which of these statements is not correct regarding our limbic system? emotional states can alter our blood pressure. sights often create strong emotional responses. the cingulate helps you express your emotional state. your amygdala judges facial expressions for danger?

Answers

I believe the answer is Sights often create strong emotional responses. This is not true since the sense of smell is more directly attached to the limbic system and is therefore more likely to cause emotional response. The limbic system is a set of brain structures located on both sides of the thalamus, beneath the cerebrum. it supports functions such as emotion. behavior, motivation, long term memory and olfaction.

Tiny openings in the epidermis of the leaf that allow air to enter the leaf are called ______.

Answers

Tiny openings in the leaf's epidermis that allow for gas exchange are called stomata. They play a significant role in photosynthesis by letting carbon dioxide in and allowing oxygen and water vapor to exit. Guard cells control their opening and closing in response to environmental conditions.

Tiny openings in the epidermis of the leaf that allow air to enter the leaf are called stomata (singular stoma). These are gaps in the epidermis that enable gas exchange between the atmosphere and the internal parts of the leaf. The epidermis protects the inner leaf tissues and helps regulate gas exchange by possessing these small openings. Stomata are crucial for photosynthesis as they allow carbon dioxide (CO₂), which is needed for the process, to enter the leaf. Simultaneously, oxygen, a product of photosynthesis, and water vapor from transpiration exit through the stomata. The opening and closing of these stomata are controlled by specialized epidermal cells known as guard cells. These guard cells respond to various environmental stimuli such as light, humidity, and the concentration of CO₂ in the air, regulating the opening and closing of the stomata accordingly.

Why do the symptoms of certain viral infections occur after having disappeared for a period of time?

Answers

Cause when viruses disperse there gone to evolve then come back once they evolved to try to make things sick yet again.

Answer:

When viruses disperse they leave to incubate and evolve, and then come back once they have evolved to try to make you very sick again.

Explanation:

Which of these are by-products of cellular respiration? which of these are by-products of cellular respiration? glucose, carbon dioxide, and water atp and carbon dioxide heat, carbon dioxide, and water atp, carbon dioxide, and water carbon dioxide and water?

Answers

Final answer:

Cellular respiration's by-products are carbon dioxide and water, produced as the process converts biochemical energy from nutrients into ATP and releases wastes. The process contributes to a broader biological cycle alongside photosynthesis.

Explanation:

The by-products of cellular respiration are carbon dioxide and water. During cellular respiration, glucose molecules are oxidized through a series of reactions called glycolysis, the Krebs cycle, and oxidative phosphorylation, resulting in the production of energy in the form of ATP. The CO₂ and water are produced during this process as by-products that, while considered wastes in a standalone context, continue to be essential in the closing of the biological cycle.

These processes of photosynthesis and cellular respiration constitute a cyclical harmony, where one's by-products serve as valuable reactants for the other, demonstrating an intricate balance that permits life-sustaining energy to be accessed by organisms. The primary function of cellular respiration is to convert biochemical energy from nutrients into ATP and then release waste products. Therefore, two of the options listed: 'Heat, carbon dioxide, and water' and 'ATP, carbon dioxide, and water' can be considered correct answers.

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The by-products of cellular respiration are carbon dioxide, water, and ATP. Energy from glucose is transferred to ATP, and heat is also released during the process which takes place in the mitochondria.

The by-products of cellular respiration are carbon dioxide and water. During this biological process, glucose and oxygen are used as reactants to release energy. This energy is primarily used to synthesize ATP (adenosine triphosphate), which cells use for various functions. A molecule of glucose can be converted into 36 or 38 molecules of ATP. Moreover, the process also generates heat, but unlike combustion, no light is produced. Instead, some of the energy is captured in the chemical bonds of ATP. The complete oxidation of carbohydrates occurs in the mitochondria, with the primary inputs being glucose and oxygen. It's important to understand that while cellular respiration starts with glucose, several other molecules can be metabolized to enter the pathways of respiration in different stages.

Permanent inflammation of the airways accompanied by excess mucus production is called

Answers

The correct answer is bronchiectasis.

Bronchiectasis an irreversible lung disease is characterized by the permanent dilatation and inflammation of the airways accompanied by excessive mucopurulent secretion. Bronchiectasis is often caused by repeated acute lung infections that did not resolve fully. Symptoms of this condition include chronic cough, dyspnea, and hemoptysis.

The answer is bronchiectasis.

Bronchiectasis is a condition in which damage to the airways causes them to widen and become flabby and scarred. The airways are tubes that carry air in and out of your lungs.

Scientists consider the testing phase of the cell cycle because they can’t see a visible change during this phase

Answers

Scientists consider the INTERPHASE the resting phase of the cell cycle because they can not see a visible change during this phase.
The interphase refers to the interval in the cell cycle between two cell divisions. During this stage, the individual chromosomes in the cell can not be distinguished. Although scientist can not see any outward visible change during this phase, but it is actually the time when the DNA inside the nucleus is replicated.

A nurse is caring for a client with varicose veins. which clinical manifestations should the nurse expect with this diagnosis?

Answers

The clinical manifestations should the nurse expect are reports of leg fatigue, tortuous veins in the legs and pain in lower extremities when standing.

In addition, leg fatigue is a communal clinical manifestation triggered by venous stasis and insufficient tissue oxygenation. The vein walls deteriorate and dilate causing distended, bulging veins that look tortuous and darkened. As vein walls weaken and dilate venous pressure increases and the valves turn out to be useless in which vein stasis and inadequate oxygenation end result is limb discomfort. The discolored toenails effect from a fungus below the nail or chronic hypoxia, not varicose veins, confined to a small area of heat in a calf is a mark of thrombophlebitis and reddened zones on a leg are symptomatic of thrombophlebitis.

An organism that contains foreign dna, which was inserted into its own genetic material, is called

Answers

An organism that contains foreign DNA, which was inserted into its own genetic material, is called transgenic.

You disrupt all hydrogen bonds in a protein. what level of structure will be preserved?

Answers

I believe the primary structure will be preserved. The secondary level of proteins is defined by patterns of hydrogen bonds between the main chain peptide groups. Therefore distorting the Hydrogen bonds disrupts the secondary structures. The primary structure on the other hand is not affected by disruption of the hydrogen bond since these structures refers to the sequences of amino acids in the polypeptide chains that are joined by the peptide bonds.

If all hydrogen bonds in a protein are disrupted, the primary structure of the protein will remain intact.

How to explain the structure

The primary structure refers to the linear sequence of amino acids in the polypeptide chain, which is determined by the genetic code.

The secondary structure of a protein is formed by regular repeating patterns such as α-helices and β-sheets, which are stabilized by hydrogen bonds between nearby amino acids. Disrupting hydrogen bonds would cause the secondary structure elements to unfold or lose their characteristic shapes.

The tertiary structure is the three-dimensional arrangement of a protein's polypeptide chain.

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Which of the following is not a way in which human events can change the Earth’s surface?
a.
draining wetlands
b.
agriculture
c.
glacial melting
d.
pesticide use

Answers

Answer c Glacial melting is not an event caused by the human activities. All the other events like draining wetlands, agriculture, pesticide use are caused by human activities. Glacial melting occurs when the glaciers situated at high latitudes melt due to warming which leads to rise in sea level and eventually inundation of the low lying coastal areas

D.pesticide use because nuts are nuts

While eating a celery stalk and you are picking stringy parts of the plant out of your teeth, you realize that the stringy parts provide support but are flexible. the stringy parts of the celery you eat are composed of what type of cells?

Answers

Cells in the collenchyma.

Final answer:

The flexible and supportive stringy parts of a celery stalk are made up of collenchyma cells. These cells, alive at maturity and often found beneath the plant's epidermis, provide structural support. Despite being indigestible for humans, consuming this cellulose is beneficial as dietary fiber.

Explanation:

The stringy parts of the celery that you eat, known for their flexibility and support, are composed of a type of plant cells called collenchyma cells. These cells are elongated with unevenly thickened walls, providing structural support, especially to the stem and leaves. They are usually alive at maturity, and typically found beneath the epidermis (the outer layer) of the plant.

An important fact to note is that though we ingest these cells while eating celery, human beings can't digest cellulose, the primary substance in plant cell walls. The indigestible portion is referred to as dietary fiber, providing health benefits such as promoting a healthy digestive tract and possibly reducing the risk of heart disease and certain types of cancer.

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An educated guess or rational explanation about a specific phenomenon

Answers

Hypothesis: An educated guess or rational explanation about a specific phenomenon

..... responsible for 50% of the earth photosynthesis which produces a significant amount of oxygen

Answers

Oxygen is essential to enabling many of the Earth’s life forms to survive -- without access to oxygen, humans can’t live for more than a few minutes. The air that enters human lungs contains about 21 percent oxygen. The process responsible for producing most of the Earth’s oxygen is known as photosynthesis. In this process, plants and certain other organisms convert sunlight into oxygen and other products.

________ are multiple arteries that fuse in order to serve a single capillary network.

Answers

There are choices for this question namely:

convergents
connexons
portals
collaterals
arteriole beds

The correct answer is "collaterals". Collaterals are side branches of blood vessels (in this question, side branches of arteries) wherein it supplies the same capillary bed. Collaterals are mostly found pathologically in areas of ischemia and it functions to bypass the narrowed or part of the main artery.

Asexual reproduction
Sexual reproduction
Mitosis
Meiosis
Chromosome
Cell division
Clone
Budding
Acquired trait
Recessive Trait
Dominant Trait
Co-Dominant
what is the definitions for these plz

Answers

i) Asexual reproduction is a type of reproduction that involves an individual reproducing without involvement with another individual of that species. e.g. in bacteria a cell divides in to two daughter cells through a process called binary fission. They include; budding, binary fission, vegetative propagation and spore formation among others.

ii) Sexual reproduction : is a type of reproduction that occurs by combining genetic information from two individuals of different types. This mainly occurs in organisms, one sex (male) produces a small percentage of motile which travels with a larger stationary gamete produced by the female (ovum).

iii) Mitosis is a process of cell division that involves a parent cell or original cell diving to give two daughter cells with equal number of chromosomes. The process takes place in the somatic cell (body cells) where a diploid (2n) parent cell yields two diploid daughter cells.

(iv) Meiosis is the type of cell division which involves diving a cell division where a parent cell (diploid 2n) divides into four daughter cells which are haploid, n. The daughter cells contain half the number of chromosomes as the parents. This process occurs in the gametes cell. The process is important as it ensures that there is genetic variation and hybrid vigor among the off springs.

v) Chromosomes; is a DNA molecule with part or all of the genetic material (genome) of an organism. Most eukaryotic chromosomes include packaging proteins which, aided by histone proteins, bind to and condense the DNA molecule to prevent it from becoming and unmanageable tangle.

vi) Cell division; Cell division is a process which involves a cell gives rise to other cells. when cells divide they make new cells. A single cell divides to make two cells and these two cells then divide to make four cells and the process continue. The process is called cell division or cell reproduction since new cells are formed when old cells divide. There two major types of cell division namely mitosis and meiosis.

vii) Clone; cloning is the process of producing similar populations of genetically identical individuals that occurs in nature when organisms such as bacteria, insects, plants or animals reproduce asexually. Thus, a clone is an identical genetic copy of either DNA, a cell, or a whole organism.

viii) Budding; Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. The new organism remains attached as it grows, separating from the parent organism only when it is mature, leaving behind scar tissue. A good example is budding in yeast.

ix)Acquired trait; this is a characteristic or a trait that produces a phenotype that is a result of an environmental influence. Acquired traits are not coded for in the DNA of an individual and therefore cannot be passed down to offspring during reproduction. They include things such as calluses on fingers, larger muscle size from exercise or from avoiding predators.

x) Recessive trait; Recessive traits are traits which can be carried in a person's genes without appearing in an individual. It is masked by a dominant gene. For example, a dark-haired person may have one gene for dark hair, which is a dominant trait and one gene for light hair, which is recessive.

xi) Dominant trait; When a trait is dominant, only one allele is required for the trait to be observed. A dominant allele will mask a recessive allele, if present. A dominant allele is denoted by a capital letter. example in humans is the dark hair, such that if one parent contributes a gene for dark hair and the other contributes a gene for light hair, the child will have dark hair.

xii) Co-Dominant, Co-dominance is a form of dominance where the alleles of a gene pair in a heterozygote are fully expressed. This results in offspring with a phenotype that is neither dominant nor recessive. A typical example is the ABO blood group system, where a person with blood group AB (heterozygous), both A allele and B allele are equally expressed.

What economic method is often used to guide policy makers in making pollution regulations?

A) determining point of diminishing returns
B) supply-demand analysis
C) cost-benefit analysis

Answers

Hello,

Here is your answer:

The proper answer to this question is option A "determining point of diminishing returns"! That because the government uses that to get taxes back!

Your answer is A!

If you need any ore help feel free to ask me!

Hope this helps!

Answer:

Option A, determining point of diminishing returns

Explanation:

According to the law of diminishing returns, when in any business the profit increases marginally while the cost of input increases at a fast rate then a business is said as "not an effective business"

In case of regulations regarding pollution, it is very essential for the economist to determine whether the cost incurred in order to take measures to reduce pollution in any business is much higher than the profit gained, then such business are not profitable and hence specific measures should be taken to curb these issue through policy regulation.

Hence, option A is correct.

What is a repeated pattern of losing and regaining body weight called?

Answers

The answer is weight cycling. This is also called yoyo dieting which also resembles the upward and downward movement of yoyo. In this situation, the person who wants to diet is initially successful in his/her pursuit of weight loss but unsuccessful in maintaining the loss in long term. This result in going back to original weight or more. The person will try to loss again the weight that was gained and the cycle will start all over again. There are various causes for this condition such as depression, fatigue. There were no evidence of its adverse effect to health however, this can alter the basic metabolism of our body.

what is a pathogen that shows no life sign outside another cell?

Answers

I believe that a pathogen that shows no life sign outside another cell is called rickettsia. Rickettsia is a micro-organism pathogen that occupies the position between viruses and bacteria. It is a parasite that is mostly found in ticks, fleas and even mammals. This pathogen causes an infection in the blood.

Why shouldn't you use your thumb when taking a pulse apex?

Answers

Hi!

The reason you do not want to use your thumb to take a pulse is that you feel your own heartbeat through your thumb rather than the heartbeat of the person you are trying to get a pulse from.

Answer: Thumb has its own pulse.

Explanation:

Pulse rate is the rate at which the heart beats. As the heart pumps blood through the body and the pulse can be felt using the blood vessels that is very close to the skin.

The resting pulse of an adult is between 60 to 100 beats a minute. Pulse is generally observed in the wrist by using two fingers. Thumb cannot be used for checking pulse because it has its own pulse and there are chances a person checking pulse might observe his or her pulse inspite of the person whose pulse is to be checked.

How does radiometric dating help scientists pinpoint the age of a fossil?

In radiometric dating, scientists place samples of a fossil in certain liquids until the samples dissolve. The rate at which they dissolve indicates the age of the fossil.

In radiometric dating, scientists mix the carbon in a fossil with carbon from similar fossils whose age they know. By comparing the carbon, they can tell the exact age of the fossil.

Radiometric dating allows scientists to find fossils in only the lowest and oldest layers of sediment.

Radiometric dating shows the rate of decay of radioactive material present in any object. Scientists can use that data to find the absolute age of the fossil.

Answers

ANSWER: Radiometric dating shows the rate of decay of radioactive material present in any objects. Scientists can use that data to find the absolute age of the fossil.

The radioactive carbon method is a method used to determine the age of the fossil based on the ratio of the number of atoms of stable carbon isotope 12C and the radioactive isotope 14C. During their lifetime, plants or animals exchange carbon with their environment, so the carbon-containing it will have the same percentage of 14C as well as the atmosphere. When a plant or animal dies, it ceases to collect 14C, but 14C within its biological material at that moment will continue to decompose. So, the ratio of 14C and 12C in residues will gradually decrease. Since the rate at which the 14C decay is known, the percentage of radiocarbon can be used to determine the time period that has passed since the sample was given to stop exchanging carbon with the environment (older sample - less 14C).

Answer:

D. Radiometric dating shows the rate of decay of radioactive material present in any object. Scientists can use that data to find the absolute age of the fossil.

Explanation:

I just took the test and got 100%!!!

If water were a nonpolar molecule how would its properties be differentA. Water would be able to climb inside plants
b. Water would stick together much more strongly.
c. Water would no be able to form hydrogen bonds
d. Water would be a much lighter molecule

Answers

Final answer:

If water were nonpolar, it would not be able to form hydrogen bonds, which are essential for its unique properties such as capillary action and being an excellent solvent.

Explanation:

If water were a nonpolar molecule, its properties would differ significantly from the water we know. One of the key changes would be that it would not be able to form hydrogen bonds. Currently, water's polarity allows it to attract other water molecules and various other polar substances, leading to hydrogen bonding. Hydrogen bonds contribute to water's many unique properties, such as its high boiling point, high heat capacity, and the ability of liquid water to be 'wet' due to its ability to stick to many substances and dissolve them.

Without this ability to form hydrogen bonds, water would not exhibit capillary action, which is how water climbs up a narrow tube or plant tissue. Thus, if water were nonpolar, it would not be able to climb inside plants as efficiently as it does now, contradicting option (a). It is also worth noting that water would not necessarily stick together more strongly; instead, without hydrogen bonding, the intermolecular forces would be weaker, which contradicts option (b). Additionally, option (d) is incorrect because the polarity of water has no bearing on its molecular mass, meaning water would not necessarily be a much lighter molecule.

Therefore, the correct answer to the question is that if water were a nonpolar molecule, it would not be able to form hydrogen bonds(option c).

Large populations of tortoises inhabited the Galápagos Islands before humans. When humans settled on the islands and introduced goats, the number of tortoise declined. What is MOST likely the explanation for the decrease in the tortoise population?A. Goats consume tortoise hatchlings.
B. Goats pollute water sources.
C. Goats compete with tortoises for vegetation.
D. Goats contribute to soil erosion.

Answers

i think the answer is c
hope it helps
please mark as brainliest

Answer: Option C

Explanation:

Galapagos island had large population of tortoise there before humans intervented there. Due to human beings, goats also came there.

Then Goats started to take over the place by competing for the resources.Tortoise and goats feed on the same type of vegetation. So the introduction of Goats in the area where tortoise are already present will hamper the population of tortoise.

Hence, the correct answer is option C

Compared to eukaryotic cells, prokaryotic cells contain
A. about 1000 times more DNA.
B. about one thousandth as much DNA.
C. twice as much DNA.
D. the same amount of DNA.

I hate how its worded and how they couldn't give me a simple answer choice everything is backwards!

Answers

Compared to eukaryotic cells, prokaryotic cells contain about one thousandth as much DNA.
In other words, the eukaryotes have about 1000 times amount of DNA compared to pokaryotes. Prokaryotes cells are quite small and simple in structure. They have no nucleus, no organelles and a small amount of DNA in the form of a single, circular chromosome. Eukaryotic cells on the other hand have a nucleus, multiple organelles and more DNA arranged in multiple, liner chromosomes.

Answer: B.about one thousandth as much DNA.

Explanation:

Eukaryotic cells are typically larger and more complex then the prokaryotic cells. The eukaryotic cell posses membrane bound organelles and well defined nucleus on the other hand the prokaryotic cells does not posses membrane bond organelles and they lack nucleus. The eukaryotic cells are present in the complex organisms and prokaryotic cells are present in simple organisms. The complex functions like photosynthesis, respiration, digestion and others requires a genetic material which includes genes for expression of proteins necessary to performing various functions. Due to this complexity the DNA of the eukaryotic organisms is thousand times more than the DNA of the prokaryotic organisms.

The upper temperature limit at which cells can function is determined by the _______ point of _______.

Answers

The correct answer is that the upper temperature limit at which cells can function is determined by the denaturation point of proteins. Proteins, one of the molecular building blocks of life (along with carbohydrates, fats, and nucleic acids) are the ones responsible in performing various cellular functions. These proteins are polypeptides folded properly to perform specific functions. In the event of high temperatures, these proteins unfold and lose their function thereby having the whole cell lose its function.

The upper temperature limit at which cells can function is determined by the denaturation point of proteins. Proteins work at specific or optimum temperatures, these including enzymes that catalyze most reactions in the body, without which high temperatures denatures them distorting their secondary and tertiary structures, while low temperatures below the optimum temperatures deactivates the proteins. Therefore, at high temperatures and low temperatures, cells may not be in a position to carry out their activitities as many enzymes or proteins are either denatured or inactive.

Proteins are made where in the cell?

Answers

Ribosomes make protein within cells.

Ribosomes are mainly found bound to the endoplasmic reticulum. They are also scattered throughout the cytoplasm, depending upon whether the cell is plant, animal, or bacteria. Ribosomes serve as the protein production center for the cell and are consequently most abundant in cells that are active in protein synthesis, such as pancreas and brain cells.

Hope this helps! :)

Answer:

They made in ribosomes bruh

Explanation:

In this mechanism enzyme dicer cuts DSRNA into smaller fragments called SIRNA which form a complex with RISC in degrees specific
A) proteins
B)mRNA
C)DNA

Answers

I believe the correct answer is mRNA. Dicer is a part of RNase III which leaves double stranded RNA and pre-microRNA into short double stranded RNA fragments called small interfering RNA and microRNA respectively. The Dicer facilitates the activation of RNA induced silencing complex (RISC), which are essential for RNA interference. The RISC has a catalytic component argonate, which is an endonuclease capable of degrading mRNA. siRNAs are specfic to the mRNA sequence unlike miRNAs which are not completely complementary to the mRNA sequence.

What animals will share the most genes?
animals in the same class
animals in the same family
animals in the same order
animals in the same phylum

Answers

Animals in the same family

Answer:

Animals in the same family

Explanation:

Kingdom - Phylum -Class - Order - Family - Genus - Species

The stage of mitosis depicted in the image is

A) anaphase
B) interphase
C) prophase
D) telophase

Answers

C. Prophase

because I just got it right. On usatestprep 8D

Mitosis is the cell division in which cells divide to form two cells. The given image dipicts the prophase of mitosis.

Mitosis:

It is the cell division in which cells divide to form two cells. It consists of four phases,

Prophase:

The DNA is condensed to form chromosomes.The nuclear membrane degenerates.

Therefore, the given image depicts the prophase of mitosis.

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