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Definition
| organ system that transports needed substances throughout the body and carries away wastes |
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Definition
| the movement of material (blood) through a body |
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Definition
| anything having to do with the heart |
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| a tissue made of blood cells floating in a liquid; carries materials throughout an animal’s body |
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Definition
| the tubes that carry blood in the body |
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Definition
| organ system that takes oxygen into the body and releases carbon dioxide and water |
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Definition
| the process of breathing in air to get oxygen and breathing out (expelling) out wastes |
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Definition
| the movement of gases from higher concentration to areas of lower concentration such as the movement of oxygen and carbon dioxide in the body |
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| the tiny air filled sacs arranged in clusters in the lung |
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Definition
| two large tubes that branch off the trachea into the lungs |
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Definition
| tiny, thin-walled air tubes that branch out from the bronchi and connect to the alveoli sacs |
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Definition
| a sheet of muscle below the lungs that helps the lungs expand and contract |
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Definition
| the tube that connects the mouth and nose with the bronchi |
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Definition
| organ system that breaks down food into substances the body can use |
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Definition
| process of breaking down food into a form the body can use |
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Definition
| tube that carries food from the mouth to the stomach |
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Definition
| muscle contractions that move food through the digestive system |
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Definition
| part of the digestive system where water is absorbed from solid waste |
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Definition
| organ in the digestive system that completes digestion and absorbs nutrients |
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Definition
| organ in the digestive system that produces bile and enzymes, breaks down food and wastes |
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Definition
| where the food is stored and partially digested before it enters the small intestine |
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Definition
| final section of the large intestine ending in the anus; which is the opening where wastes are released |
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Definition
| tiny fingerlike structures that line the small intestine and absorb nutrients into the bloodstream |
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Definition
| the physical breakdown of food through chewing, tearing or mixing |
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Definition
| chemically breaking food into smaller pieces with the use of chemicals |
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Term
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Definition
any compound containing carbon
(usually found in biotic organisms) |
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Term
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Definition
| a particle of matter made of two or more atoms joined tightly together |
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Term
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Definition
| a large classification of organic substances and a major source of energy for animals including sugars and starches |
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Term
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Definition
| keeping conditions constant inside the body as in keeping a steady body temperature |
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