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Artery
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A blood vessel that carries blood away from the heart.
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Capillary
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A tiny blood vessel. Food, oxygen and others substances pass from the capillaries into the cells.
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Cell
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The basic unit of body structure
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Digestion
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The process of pysically and chemically breaking down food so that it can be absorbed for food by the cells.
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Hemoglobin
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The substsance in red blood cells that carries oxygen and gives blood its color.
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Hormone
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A chemical substance secreted by teh endocrine glans into the blood stream.
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Immunity
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Protection against a disease or condition; the person will not get or be affected by the disease.
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Menstruation
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The process in which the lining of the uterus breaks up and is discharged from the body through the vagina.
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Metabolism
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The burning of food for heat and energy by the cells.
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Peristalsis
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Involuntary muscle contractions in the digestive system that move food down the esophagus through the alimentary canal.
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Respiration
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The process of supplying the cells with oxygen and removing carbon dioxide from them.
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System
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Organs that work together to perform special functions.
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tissue |
A group of cellls with similar functions.
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Vein
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A blood vessel that returns the blood to the heart.
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GI
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Gastro-intestinal
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