asked 196k views
4 votes
The diaphragm is the portion of the respiratory system composed of a dome-shaped muscle that runs across the upper abdomen and is attached to the bottom of lungs.

a. True
b. False

1 Answer

2 votes
True. The diaphragm is the portion of the respiratory system composed of a dome-shaped muscle that runs across the upper abdomen and is attached to the bottom of lungs.
answered
User Tktsubota
by
8.3k points
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