Answer:
When you breathe in, the diaphragm moves downward toward the abdomen, and the rib muscles pull the ribs upward and outward. This makes the chest cavity bigger and pulls air through the nose or mouth into the lungs.
pls mark me the brainliest
Answer:
As I think the answer is D.
Answer:
D
Explanation:
once again sorry if you get it wrong but we were learning about mutations in class so i think so
ehehe
