Question:
Allows air to enter the lungs and carbon dioxide to leave the lungs, so that oxygen can get into the blood and carbon dioxide leaves the blood. Oxygen for respiration leaves the lungs and enters the blood , carbon dioxide (a waste product from respiration) Leaves the blood and enters the air in the lungs. Carbon dioxide is excreted when you exhale
Author: Exciteful MacawAnswer:
Explain the bass exchange/ breathing system
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