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.
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Answer:
7
Explanation:
There are always half the chromosomes in sex cells.
Answer:
Viscosity
Explanation:
Ive had this question on quizzes many times. And viscosity was the answer.
