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What body system assists the respiratory system by pulling the rib cage down to allow air to flow in? A. skeletal B. muscular C. endocrine D. circulatory

What body system assists the respiratory system by pulling the rib cage down to allow air to flow in? A. skeletal B. muscular C. endocrine D. circulatory
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What body system assists the respiratory system by pulling the rib cage down to allow air to flow in?

A. skeletal
B. muscular
C. endocrine
D. circulatory

asked
User ReyCharles
by
8.2k points

1 Answer

7 votes
B. Muscular

It contracts and relaxes the diaphragm
answered
User MichealAtmi
by
7.9k points
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