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Definition
| A blood vessel that carries blood away from the heart. |
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Definition
| A tiny blood vessel; food, oxygen, and other substances pass from the capillaries into the cells. |
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Definition
| The basic unit of body structure. |
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Definition
| The process of physically and chemically breaking down food so that it can be absorbed for use by the cells. |
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Definition
| The substance in red blood cells that carries oxygen and gives blood its color. |
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Definition
| A chemical substance secreted by the endocrine glands into the bloodstream. |
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Definition
| Protection against a disease or condition; the person will not get or be affected by the disease. |
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Definition
| The process in which the lining of the uterus breaks up and is discharged from the body through the vagina. |
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Definition
| The burning of food for heat and energy by cells. |
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Definition
| Groups of tissues with the same function. |
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Definition
| Involuntary muscle contractions in the digestive system that move food down the esophagus through the alimentary canal. |
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Definition
| The process of supplying the cells with oxygen and removing carbon dioxide from them. |
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Term
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Definition
| Organs that work together to perform special functions. |
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Term
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Definition
| A group of cells with similar functions. |
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Term
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Definition
| A blood vessel that returns blood to the heart. |
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