Health, 23.09.2019 13:00, joselinegarciaowyrpf
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
Answers: 1
English, 11.10.2019 16:40, bwright142
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Physics, 15.10.2019 05:30, 4804053670
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