well, i guess it would be you diaphram since it pulls air into your lungs.
It is the diaphragm.
diaphagram is that major muscle
Your lungs are the largest breathing muscle in your body.
It is part of your Respitory System
diaphragm (a muscle used when breathing)
diaphragm (muscle used when breathing)
Diaphragm
Diaphragm
The diaphragm, it is the main muscle used for breathing.
The diaphragm. It is the only muscle that causes breathing.
The muscle that is located on the ventral (anterior) side of the body is the pectorals major. The pectorals major is located in the chest of the human body/
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