what is function of the dome-shaped diaphragm?
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Answer:
The diaphragm is shaped as two domes, with the right dome positioned slightly higher than the left because of the liver. The depression between the two domes is due to the pericardium slightly depressing the diaphragm. The diaphragm has two surfaces: thoracic and abdominal.It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges. This contraction creates a vacuum, which pulls air into the lungs. A dome-shaped sheet of muscle attached to the thoracic wall that separates the lungs and thoracic cavity from the abdominal cavity. As the chest cavity enlarges, the diaphragm moves downward and flattens to create a vacuum that allows air to flow into the lungs.
Explanation:
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