1. When you inhale, which of the following contracts and moves down?
A.bronchioles.
B.diaphragm.
C.lungs.
D.nose
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1. When you inhale, which of the following contracts and moves down?
A.bronchioles.
B.diaphragm.
C.lungs.
D.nose
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Answer:
B. Diaphragm
Explanation:
hope this helps
DIAPHRAGM
Your diaphragm contracts and moves downward as you breathe in, or inhale. This expands the space in your chest cavity and allows your lungs to expand into it.