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8 Cards in this Set
- Front
- Back
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Goals of the digestive system! |
1) Ingestion = eat or take in food/beverage/medication 2) Digestion = Process 3) Absorption = Small intestine absorbs nutrients. 4) Elimination = Bowel Movement |
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(What is) ingestion? [1] |
Food material taken into mouth. |
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(What is) digestion? [2] |
Food is broken down, mechanically and chemically, as it travels through the gastrointestinal tract. |
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Food breakdown? |
1) Proteins -> Amino Acids. 2) Sugars -> Glucose. 3) Fats -> Fatty acids or triglycerides. |
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Introduction: Absorption |
-Digested food passes into the bloodstream through lining cells of the small intestine. -Nutrients travel to all cells of the body. -Cells burn nutrients to release the energy stored in food. |
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Introduction: Elimination |
-The body eliminates solid waste materials that cannot be absorbed into the bloodstream. -The large intestine concentrates feces. -40% of fecal matter is bacteria. - The wastes pass out of the body through the anus. |
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Organs of the Digestive System |
The gastrointestinal tract begins with the oral cavity. |
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Major parts of the oral cavity. |
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