The muscles that expand the rib cage relax and let it fall back into place under its own weight. That leads to higher pressure in the lung that outside and so air moved from the high pressure to the low pressure out of the lung.
when air moves out of the lungs, the air pressure decreases
The air moves from the outside into the lungs through the windpipe.
the lungs will moves down when breathe out air
inhale:- the air pressure in the lungs decreases and air moves in. exhale:-air pressure in the lungs increases and air moves out.
breathing.
the diaphragm
Respiration is different from breathing because when you breathe you enter your lungs when you breathe out , air moves out of your lungs . The air carries carbon dioxide out of your body.
Respiration is different from breathing because when you breathe you enter your lungs when you breathe out , air moves out of your lungs . The air carries carbon dioxide out of your body.
The diaphragm moves down to make the lungs expand (inhalation)
Air moves into the lungs when the diaphragm is flattened. The diaphragm is relaxed (arched) during expiration.
Lungs.
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