Respiratory System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| respiratory system | The body parts that work together to bring air into and push it out of your body.
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| breathing | what your body does when it takes in fresh air, containing oxygen, and lets out the used air
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| nose and mouth | take in and let out air
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| windpipe | the air passage connecting the throat to the lungs
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| lungs | two spongy bags that expand when they fill with air
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| diaphragm | a dome-shaped muscle that separates the chest from the stomach area.
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| cartilage | tough but bendable material. Cartilage makes your windpipe stiff, so your windpipe doesn't collapse when you breathe in.
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| inhale | when you breathe in and your lungs fill with air
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| exhale | when you breathe out and air is forced out of the lungs
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| breathing rate | the number of times you inhale in one minute
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| larynx | also known as the voice box, it is at the top of the windpipe, all the air you breathe passes through it
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| vocal cords | two elastic bands inside the larynx.
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| bronchial tubes | when you inhale, air moves from the windpipe into two bronchial tubes, one going to each lung
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| air sacs | chambers that have very thin walls. They are surrounded by tiny thin-walled blood vessels called capillaries.
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| cell | the basic unit that makes up all living things
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| respiration | the process by which cells use oxygen and give off carbon dioxide
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Created by:
tgalloway
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