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Terms in this set (15)
windpipe or trachea
This carries air from the nose and mouth to the lungs.
Expands to inhale air in and shrinks to exhale air out.
The windpipe divides into two bronchi, with one bronchus for each lung.
Each bronchus divides further in the lungs, into smaller tubes called ___________.
air sacs or alveoli
At the end of each bronchiol, there is a group of tiny ___________. They enable the diffusion of gases into and out of the blood.
The bones around the lungs. They protect the soft lungs from injury.
A flat muscle under the lungs. Its movement is what enables us to inhale and exhale.
Moving air into the lungs - to breathe in
Pushing air out of the lungs - to breathe out
This is the exchange of gases for the production of energy for our body cells
voicebox or larynx
flaps of thin skin that vibrate to make our voice
A flap of tissue that seals off the windpipe and prevents food from entering.
exchange of gases
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