It is the voice box
The diafram expands and deflates because you breathe in and out. When you breathe out your diafram deflates. When you breathe in your diafram expands. :)
ribs skull diafram
a tree diafram
your diafram
you simply tighten your diafram muscle (tighten your stomach)
the diafram same as a human.
Any pump that forces air into the lungs. Doing what the diafram does basically.
The diaphragm (pronounced - diafram).
your diafram, located in the middle of your chest between your rib cage, you can find it with two fingers its a very fradigle bone, be carefull when pressing on it, when the lungs take out to much air the diafram beguins to vibrate and loudly making the noise of a hicc-up that's why pulling air into the lungs an holding it, relaxes the diafram stopping the vibration by adding the right amount of pressure. loss of oxygen in the lungs.
asthma or your diafram, might be infected with a virus, see your doctor immediately.
The dome shaped muscle that works with the lungs is the diaphragm.
I just changed one in a 97 blazer Their well known to go out the diafram leaks advance auto sells them $100.