What is the main job of the respiratory system?, To pump blood, To help us breathe in oxygen and breathe out carbon dioxide, To break down nutrients, To digest food, What gas does our body need from the air?, Carbon dioxide, Nitrogen, Hydrogen, Oxygen, What gas is a waste product that our body needs to remove?, Water, Oxygen, Carbon dioxide, Nitrogen, Why do our cells need oxygen?, To make energy, To digest food, To make bones, To produce carbon dioxide, Where does air enter and exit the respiratory system?, The bronchi, The lungs, The diaphragm, The nose and mouth, What is the trachea?, A branch inside the lungs, A muscle that helps us breathe, A tube that carries air toward the lungs, An organ where gas exchange happens, What are the bronchi?, Branches of the trachea that carry air into each lung, Tubes that carry blood, Muscles that move the lungs, Small parts of the nose, Where does gas exchange happen?, In the nose, In the lungs, In the diaphragm, In the trachea, What is the diaphragm?, A muscle that helps us inhale and exhale, A branch of the trachea, A tube that carries air, An organ that filters oxygen, What happens to the diaphragm when we inhale?, It moves up., It stops moving., It moves down., It closes the lungs., What happens to the diaphragm when we exhale?, It moves down., It disappears., It moves into the lungs., It moves up., What is the correct path of air when we inhale?, Trachea → nose → bronchi → lungs, Nose/mouth → trachea → bronchi → lungs, Nose → lungs → bronchi → trachea, Lungs → bronchi → trachea → nose

RESPIRATORY SYSTEM

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