AnthonyQ379254 AnthonyQ379254

29-10-2022
Biology

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Which sheet-like muscle forms the floor of the chest cavity and is responsible for breathing?A. abdominalsB. diaphragmC. pectoralisD. deltoideus

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ChaniyahV530744 ChaniyahV530744

29-10-2022

There is one muscle that's mainly responsible for breathing. It contracts rithmically and continualy. It contracts during inhalation and relaxes during exhalation. It's the diaphragm. Therefore, the correct answer is B. diaphragm.

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