ATI TEAS SCIENCE EXAMS Q&A

Ati Teas, ATI TEAS: Science 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? - ANSWER-Capillaries 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 thoracic cavity