ATI TEAS 7 BIOLOGY EXAM QUESTIONS AND VERIFIED ANSWERS 2024 -2025 LATEST UPDATE For more file:manukeyah@gmail.com What does the respiratory system do? - answer -Brings in oxygen to go into the cells, and picks up carbon dioxide to be removed from the bodyguard What are the 7 parts of the respiratory system? - answer -1. Nose 2. Pharynx 3. Larynx (voice box) 4. Trachea (windpipe) 5. Bronchi 6. Bronchioles 7. Alveoli What are alveoli surrounded by to allow the exchange of O2 and CO2? - answerCapillaries What is cilia? - answer -Tiny hairs in the nose and trachea that wave particles up away and out What is mucus? - answer -Something that keeps the air warm and moist but also traps particles How many alveoli does each lung have? - answer -150 million What does hemoglobin do? - answer -Carries oxygen through the blood What is pleura? - answer -Sacs that surround the lungs What is the diaphragm? - answer -The muscle at the bottom of the th oracic cavity What happens during inhalation? - answer -Diaphragm moves down (contracts), rib cage rises, volume of chest cavity increases, air moves in to fill the space What happens during exhalation? - answer -Diaphragm moves up (relaxes), rib cage lowers, space becomes smaller, air is pushed out of lungs What does the medulla oblongata do? - answer -Controls breathing What is chronic bronchitis? - answer -Bronchi swell and become clogged with mucus What is emphysema? - answer -Tissues in lungs lose elasticity; tissues can't enough O2 or get rid of enough CO2 What is lung cancer? - answer -Cells that do not stop reproducing; can spread to other locations because lungs are so central and connected to so much; survival is generally less then 5 years from diagnosis What is heart disease? - answer -Blood vessels are constricted, blood pressure rises, heart has to work harder, heart wears out more quickly What is cystic fibrosis? - answer -Genetic (recessive); lungs can get clogged with muco us What is mesothelioma? - answer -Lungs become exposed to asbestos and lose elasticity What is elastic recoil? - answer -The ability for the alveoli to get filled with air then return to their normal shape once the air is released What is a spirometer? - answer -an instrument for measuring the air capacity of the lungs What is tidal volume? - answer -The amount of air taken in and breathed out in a typical breath What is supplemental volume? - answer -The xtra air that can be inh aled or exhaled with a deep breath What is reserve amount? - answer -The amount of extra air you can breathe out when you force air out of your lungs What is residual amount? - answer -The amount of air in your lungs that you cannot get rid of (even du ring forced exhaling ) What is vital capacity? - answer -All the air you can control going in or out of your lungs (supplemental + reserve = vital) What is total capacity? - answer -From the top of your supplemental amount to the bottom of your residual volume Main idea - answer -the most important or central thought of a paragraph or larger section of text, which tells the reader what the text is about Topic - answer -a particular issue or idea that serves as the subject of a paragraph, essay, report, or speech -topic is the general subject of a paragraph -Topics are simple and are described with just a word or a phrase. -main idea is a complete sentence; it includes the topic - answer -What's the difference between a topic and main idea? Key ideas - answer -Ideas that support controlling idea Controlling idea - answer --your opinion about the topic. - It helps the reader understand your purpose for writing the paragraph or essay Conclusion - answer -A deduction made by the reader about an unstated outcome from reading passage
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