How Does Air Enter the Respiratory System? Air enters the respiratory system through the nose or the mouth. If it goes in the nostrils (also called nares), the air is warmed and humidified. Tiny hairs ...
In this video, learn about how humans breathe with their lungs and the respiration system. Follow me please class. We're in the gym to look at how humans breathe. Every living thing needs oxygen ...
Air enters the body and is warmed as it travels through the mouth and nose. It then enters the trachea. The trachea divides into two bronchi. One bronchus enters each lung. Each bronchus branches ...
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