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ATI TEAS Science 2023 QUESTIONS AND ANSWERS ALREADY PASSED

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What does the respiratory system do? - CORRECT 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? - CORRECT 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? - CORRECT ANSWER Capillaries What is cilia? - CORRECT ANSWER Tiny hairs in the nose and trachea that wave particles up away and out What is mucus? - CORRECT ANSWER Something that keeps the air warm and moist but also traps particles What does hemoglobin do? - CORRECT ANSWER Carries oxygen through the blood What is pleura? - CORRECT ANSWER Sacs that surround the lungs What is the diaphragm? - CORRECT ANSWER The muscle at the bottom of the thoracic cavity What happens during inhalation? - CORRECT ANSWER Diaphragm moves down (contracts), rib cage rises, volume of chest cavity increases, air moves in to fill the space What happens during exhalation? - CORRECT ANSWER Diaphragm moves up (relaxes), rib cage lowers, space becomes smaller, air is pushed out of lungs What does the medulla oblongata do? - CORRECT ANSWER Controls breathing What is chronic bronchitis? - CORRECT ANSWER Bronchi swell and become clogged with mucu


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