What is the purpose of the
respiratory system in the body?
A. provides energy for the body
B. filters air and brings oxygen into the body
C. circulates oxygen to tissues in the body
D. provides structure for the body and protects
important organs

Answers

Answer 1

Answer: B

Explanation:

Answer 2

The purpose of the respiratory system in the body is filters air and brings oxygen into the body.

What are the functions of respiratory system?

The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism.

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system.

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system.

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Related Questions

how do i write an email to apply for university

Answers

Answer:

Well personally I haven't written an email to apply for a university but i'll try to help.

Composing your Email

1. Find your admissions officer

If possible, locate the email of the admissions officer for your region. For example, if you live in Florida, you want to target the email to the admissions officer that reads for the Southeast. It is important to locate the admissions officer for your region since they will be the person reading your college application when you submit it. They should be familiar with your name and remember you positively.

2. Address the admissions officer properly

Begin your email by addressing the admissions officer in a kind, proper manner. Don’t use slang or abbreviations that you might use with your peers while texting. Your writing should highlight your maturity and ability to communicate in a professional setting.  

“Good morning, Ms. Smith,”

“Hello, Mr. Johnson,”

3. Introduce yourself

Admissions officers receive hundreds of emails a day from prospective students so a concise email that simply gets to the point saves time and energy. Therefore, you shouldn’t spend a great deal of time introducing yourself. You are unlikely to increase your probability of acceptance by sending an email detailing your life’s accomplishments. Instead, write a brief sentence or two, providing your name and any relevant background information that may inform their answer.

“My name is Hayley Hall and I am applying to Pomona College in the Fall of 2020. I am particularly interested in majoring in Engineering.”

4. Be specific

Once you have provided your name and relevant information, ask specific questions. Don’t ask generic questions you should already know the answer to from your college search.

Avoid questions like:

“What’s the acceptance rate for UCLA?”

“What does Yale look for?”

“How much does each credit hour cost for in-state students?”

Colleges provide lots of general information about the school on their website. Search their website thoroughly before reaching out. If you ask for information that the college already provides, it might signal to an admissions officer that you haven’t done your due diligence looking for information on your own.

Instead, ask more detailed questions like:

“What types of companies does the College of Engineering have partnerships with?”

“When do most students start performing research?”  

“What would you say students are most excited about on campus?”

These kinds of questions prove that you have done your research but want more in-depth information about their university. Your curiosity will bode well with an admission officer. It will signal you are seriously considering their university. Their answers will help you make informed decisions about the schools you are considering and potentially provide information for your “Why This College” essay!

5. Do not be afraid to ask questions about your required materials

You can also email admissions officers to confirm they have received all of your materials. For example, if you have sent in your SAT/ACT scores but haven’t received a confirmation email from the school that they received it, you can follow up with the school. The email should be detailed, concise, and professional.

Need Done before tomorrow pls
20 Matching questions

Answers

Answer:

1) T

2) C

3) G

4) S

5). B

6) L

7) R

8) E

9)H

10)K

Explanation:

ITS ONLY 10 I KNOW :)

What is the difference between mitosis and meiosis​

Answers

Answer:

Mitosis results in two identical daughter cells

Meiosis results in four sex cells

Explanation:

a
What organelle in a plant is chlorophyll found
in?

Answers

Answer:

Chloroplasts in the Leaf

is having glasses a acquired trait or is it inherited

Answers

Answer: It can be both but it is mainly an inherited trait but environmental things can make your eye sight worse or better which can end up being an acquired, but like I said its more so an inherited trait.

Explanation:

The productivity can be indicated by:

Answers

Answer:

One of the most widely used measures of productivity is Gross Domestic Product (GDP) per hour worked. This measure captures the use of labour inputs better than just output per employee


name three reason why blood goes to the lungs

Answers

Answer:

Blood without oxygen returns through the veins, to the right side of your heart. From there it is pumped to your lungs so that you can breathe out the carbon dioxide and breathe in more oxygen.

Explanation:

What is gel electrophoresis used for? Select all that apply.
O A) It is used to sort DNA strands.
B) It is used to produce more DNA strands.
C) It is used to measure DNA strands.
D) It is used to break down DNA molecules.

Answers

Answer:

used to separate mixtures of DNA, RNA, or proteins according to molecular size

Gel electrophoresis is used for the separation of genetic material present in the cell such as DNA, RNA and even proteins. Thus, the correct option is A.

What is Gel electrophoresis?

Gel electrophoresis is a technique which is used to separate the genetic material such as DNA fragments, RNA and proteins on the basis of their size and charge. Gel Electrophoresis involves running an electric current through a gel containing the molecules of interest in it.

The principle of Gel electrophoresis is that the DNA or protein sample to be separated is loaded on to a porous gel placed in an ionic buffer. On the application of electric charge, each of the molecules having different size and charge will move through the gel at different speeds and therefore separates out.

Therefore, the correct option is A.

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state three uses in a plant of the carboydrate produced in photosynthesis

Answers

Answer:

Organisms use carbohydrates produced by photosynthesis by oxidizing them to produce energy for respiration. - The glucose produced in green plants is directly utilized for respiration and other activities, while the excess is stored in the form of starch.

If the original DNA is ATGGGTCTAGCGAAAGAT

Than what would be the complimentary DNA?

Answers

Answer:

TACCCAGCGCTTTCTA

Explanation:

which describes the Grand canyon as it will be one million years from today?​

Answers

Answer:

I think it will become shallower and narrower.  

Explanation:

This is because today, the Grand Canyon is deep and wide, we are talking about how it was one million years ago, which would look noting like this today. Little piece of rock has started to fall off of the sides of the Grand Canyon so it looks how it looks today.  

hope it helps

When a volcano erupts, particles of rock and ash are released into the atmosphere. After this, water droplets form around the rock and ash particles and fall to Earth as rain. The rainwater helps plants grow.

In this scenario, which spheres of Earth interact?

1.biosphere, cryosphere, hemisphere
2.cryosphere, geosphere, biosphere
3.geosphere, hydrosphere, biosphere
4.hydrosphere, cryosphere, geosphere

Answers

Answer:

When a volcano erupts particles of rock and ash are released into the atmosphere after this water droplets form around?

When a volcano erupts, particles of rock and ash are released into the atmosphere. After this, water droplets form around the rock and ash particles and fall to Earth as rain. The rainwater helps plants grow. Which scenario describes an interaction between two of Earth's spheres?

Explanation:

The spheres of Earth that interact in this scenario are the geosphere, hydrosphere, and biosphere.

The geosphere, which makes up the solid Earth, spews rock and ash particles into the atmosphere during a volcanic eruption. These ascenting particles come into contact with the hydrosphere, or the water systems of Earth. Rain is created when water droplets gather around the particles. This rain, which has been enhanced with minerals from volcanic material, falls to the biosphere and fosters the growth of plants.

The interplay between the geosphere, hydrosphere, and biosphere demonstrates the complex interrelationships between Earth's constituent parts, demonstrating how changes in one sphere can have an effect on others, eventually influencing the environment and sustaining life.

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as energy is passed through the food chain some of the energy is lost as heat what is the approximate amount of energy that is passed from one tropic level to the next
75%
50%
10%
15%​

Answers

10 percent of energy is passed from one tropic level to the next While the other 90 percent of energy is lost to heat

What is the difference between chemiosmosis and oxidative phosphorylation?​

Answers

oxidative phosphorylation: A metabolic pathway that uses energy released by the oxidation of nutrients to produce adenosine triphosphate (ATP). chemiosmosis: The movement of ions across a selectively permeable membrane, down their electrochemical gradient.

How the food you eat affects your brain?

Answers

Answer:

Eating high-quality foods that contain lots of vitamins, minerals, and antioxidants nourishes the brain and protects it from oxidative stress — the "waste" (free radicals) produced when the body uses oxygen, which can damage cells. ... Diets high in refined sugars, for example, are harmful to the brain.

Hey, I need help with these questions please:

Answers

Answer:

I think letter A po.. HEHE not sure

Answer:

micronutrients or trace elements are involved in the maintenance of protein structure

calculate the magnification of the drawing below, If the length of the leaf is 30mm and the length of the drawing made was 100mm​

Answers

Answer:

10

Explanation:

The magnification of the drawing made was 10 because it had a length of 100mm and originally had a length of 30mm. It can also be said that the magnification is 3 since dividing by the original length (30) we get: 100/30 = 3.

What is the role of transgenic organisms in the production
of medicine and agriculture?
HELP PLA

Answers

Explanation:

Transgenic animals are routinely bred to carry human genes, or mutations in specific genes, thus allowing the study of the progression and genetic determinants of various diseases.

Transgenesis allows improvement of nutrients in animal products, including their quantity, the quality of the whole food, and specific nutritional composition.

please help me plsss!​

Answers

I think The answers is 3

Answer:

1. C

2. B

3. D

4. A

5. C

6. B

Explanation:

Which of the following molecules includes all the other types on the list?
A) disaccharide B) polysaccharide C) starch D) carbohydrate

Answers

Answer:

D) carbohydrate

Explanation:

The other answer choices are fall into the category of carbs

Explain why a circulatory system is important in meeting the needs of all cells throughput an animals body.

Answers

Answer:

The system is connected to all of your body's cells so that it can transport oxygen efficiently. When you breathe, the circulatory system carries oxygen to your cells and carries dissolved carbon dioxide back to the lungs. Every cell that needs oxygen needs access to the fluids in your circulatory system.

I like her and I scare to tell her

Answers

Answer:

just let your heart ❤out she may like you too.

Traditional Chinese culture is the general term for national civilization, customs and spirit. The definition of "culture" is often "the benevolent see benevolence, and the wise see wisdom". Simply put, traditional Chinese culture is based on the three schools of Confucianism, Buddhism and Taoism. The three are interdependent, infiltrate and influence each other, and build the whole of Chinese traditional culture. The ideas of these three traditional cultures are collectively called the "Three Religions" in China.

Answers

Answer:

Chinese traditional culture

Explanation:

Chinese traditional culture

Biology which statement applies to cholesterol?
A. It is hydrophobic and found on the outside of the phospholipid biyaler
B. It is hydrophilic and found inside the phospholipid bilayer
C. It impacts membrane fluidity.
D. It is transported in association with glucose in the blood.

Answers

The true statement about cholesterol is that; " It impacts membrane fluidity."

Cholesterol is one of the steroids in the body and serves as a constituent of many hormones. Cholesterol consists of a hydrophilic and a hydrophobic part hence it is able to interact both with aqueous and nonpolar environments.

Cholesterol impacts membrane fluidity in the sense that it regulates the direction of membrane fluidity. At high temperatures, cholesterol raises the membrane temperature whereas at high temperatures, it intercalates between phospholipids thereby preventing stiffening.

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3. Would a cliff in the desert or a cliff along the seashore experience more weathering? Explain your answer.​

Answers

Answer:

A sea shore would have more weathering, because the gust of wind from the shore line will surley weather out the mountain, including the waves washing out rocks.

Explanation:

Pls give brainliest

A seashore would experience more weathering than the desert. This is because of the gust of wind on the cliff of the mountain.

What is Weathering?

Weathering can be considered as the breaking down or dissolving of rocks and minerals on the Earth's surface. Once a rock or mineral has been broken down by the process called erosion, it transports the small bits of rocks and minerals away from each other. Water, acids, salt, plants, animals, and change in temperature are all the agents of weathering and erosion.

A cliff along the seashore would experience more weathering, because of the gust of wind from the shore line. This will surely weather out the mountains, including the waves washing out the rocks and minerals.

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Which type of muscle can get
tired or fatigued?
A. Cardiac
B. Skeletal
C. Smooth

Hurry!

Answers

Answer:

B

Explanation:

The answer is skeletal. The energy consumption of skeletal muscle cells may increase up to 100-fold when going from rest to high-intensity exercise.

What does “alkaline” mean?

A.
pH is higher than 7.

B.
pH is lower than 7.

C.
Negative ions.

D.
Non-reactive with other chemicals.

Answers

Answer:

PH greater than 7

basic solution

The small size of cells
A. Allows for efficient transport of materials
B. Causes food to be broken down slowly
C. Slows down the removal of wastes
D. Allows for fewer cell organelles

Answers

Answer:

A

Explanation:

this is because, in smaller organism their SA/V ratio is large hence they have efficient transport of materials within their cells

Which pair of triangles can be proven congruent by SAS?

Answers

Answer:

Explanation:

The seconded one

The second triangle can be proven congruent by SAS (side-angle-side). Therefore, option B is correct.

What is SAS property?

SAS stands for "Side-Angle-Side" and it is a property of congruent triangles. This property states that if two triangles have two pairs of corresponding sides that are proportional and the included angles between those sides are congruent, then the triangles are congruent.

In other words, if two triangles have the same length of two sides and the angles formed by these sides are the same, then the triangles are congruent.

This property is one of several ways to prove that two triangles are congruent, and it is a useful tool in geometry and trigonometry. The other ways to prove the congruence of triangles are SSS (Side-Side-Side), ASA (Angle-Side-Angle), AAS (Angle-Angle-Side), and HL (Hypotenuse-Leg) properties. Hence, option B is correct.

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explain the bone structure

Answers

Answer:

Bones are organs composed of hard living tissue providing structural support to the body – it's scaffolding. It is a hard matrix of calcium salts deposited around protein fibers. Minerals make bone rigid and proteins (collagen) provide strength and elasticity. ... The outer layer of bone is called Cortical bone.

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