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9 Cards in this Set
- Front
- Back
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artery |
a type of blood vessel that carries blood away from the heart to other parts of the body |
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capillary |
the smallest type of blood vessel |
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vein |
a type of blood vessel that carries blood from cells back to the heart |
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valve |
an opening that allows blood to flow in one direction but stops it from flowing in the other direction |
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mucus |
a sticky thick fluid that traps dust germs and other things that may be in the air |
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trachea |
a tube that carries air from the throat to the lungs |
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bronchioles |
tubes that branch out from the bronchi |
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air sacs |
tiny thin walled pouches in the lungs |
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esophagus |
a tube in the throat with rings of mucle that helps you swallow food |
