diaphragm
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The Diaphragm
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What muscle expand the chest cavity by rotating the ribs upward, contributing to inspiration
The diaphragm (a sheet of muscle underneath the ribcage) and intercostal muscles (located between your ribs).
The lungs expand.
osteoclast
Your diaphragm is located below your lungs. When you relax your muscles, your diaphragm is shaped like a dome.
The lungs and diaphragm.
what happens when you inhale is that air goes into your lungs and your lungs get bigger ...Actually, your diaphragm moves to expand the volume of your thoracic cavity, which pulls a partial vacuum on your lungs, causing them to expand FIRST...and THEN the partial vacuum created by your expanded lungs causes air to move into them. When you breath out, it causes the reverse to occur.
Your diaphragm is the muscle beneath your lungs that expand and retract, helping pump oxygen in and out of your body.
the air goes up to the chest cavity. Hope this helps you!