Answer:
Ventlation or breathing, is the movement of air through the conducting passage between the atmosphere and the the lungs. The air moves through passeng because of pressure gradients that are produced by contraction of the diaphragm and thoracic muscles.
The answer to the question is B - The lungs exhale carbon dioxide, which is a waste gas and needs to be removed from the body.
This will explain, I hope it helps
Answer:
highly folded surface of the inner mitochondrial membrane
Explanation:
hope I helped <3
