Term
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Definition
| the body cavity or tube that mechanically and chemically reduces food to small particles, then to molecules that are small enough for the for absorption into the internal environment. |
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Term
| Mechanical processing and motility |
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Definition
| movements that break up, mix, and directionally propel food material. |
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Term
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Definition
| release of substances, especially digestive enzymes, into the lumen-the space inside the tube. |
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Term
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Definition
| breakdown of food particles, then to nutrient molecules small enough to be absorbed. |
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Term
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Definition
| uptake of digested nutrients and water across the tube wall, into extracellular fluid. |
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Term
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Definition
| Expulsion, from the end of the gut, of undigested and unabsorbed residues. |
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Term
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Definition
| hoofed mammals that have multiple stomach chambers in which cellulose is slowly digested. |
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Term
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Definition
| the tubular entrance to the esophagus. |
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Term
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Definition
| a muscular tube that leads from the pharynx to the stomach. |
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Term
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Definition
| muscular sac that strectches to store food taken in faster than can be processed. |
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Term
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Definition
| a ring of smooth muscles at some point along a tube or at one of its openings. |
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Term
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Definition
| the long muscular tube that recieves secretions from the liver, gall bladder, and pancreas; it also digests most nutrients and absorbs them; unabsorbed material is moved to the large intestine. |
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Term
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Definition
| tube where water and ions are absorbed and where undigested materials are compacted. |
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Term
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Definition
| tube where wastes are briefly stored before being expelled through the anus. |
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Term
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Definition
| terminal opening where feces are expelled. |
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Term
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Definition
| a hardened jaw appendage that help with the first part of digestion. |
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Term
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Definition
| fluid that has a pH of 2 and lines the stomachs walls. |
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Term
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Definition
| the chemical that helps to digest fats and is secreted from the liver. |
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Term
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Definition
| the coating of fat droplets. |
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Term
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Definition
| the oscillating pattern of the wall of the small intestine. |
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Term
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Definition
| threadlike absorptive structures. |
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Term
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Definition
| fingerlike epithelium covered projections from the mucosa. |
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Term
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Definition
| the process in which bile salts combine with fatty acids in tiny droplets. |
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Term
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Definition
| the name for the volume of cellulose and all other undigested residues that cannot be decreased by absorption in the colon. |
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Term
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Definition
| a narrow projection from the cecum. |
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Term
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Definition
| the fats that the body cannot make. |
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Term
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Definition
| the amino acids the body cannot make. |
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Term
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Definition
| organic substances that are essential for growth and survival. |
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Term
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Definition
| inorganic substances that are essential for growth and survival because no other substances can serve their functions. |
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Term
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Definition
| an overabundance of fat in andipose tissue. |
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