ATI TEAS: Science practice 2023

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