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Cards In This Set
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Passage of food
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Mouth, pharynx, esophagus, stomach, small intestine, large intestine.
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Mouth
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Mechanical: Teeth and tongue. Chemical: Saliva-contains amylase, starch digesting enzyme.
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Pharynx
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Passage way for food and air. The treache before we swallow.
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Esophagus
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Muscular tuble, conducts food from mouth to starch via pharynx. Movement via peristalsis (muscle contraction)
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Stomach
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Stores food (storage tank). Expandable, liquefies food, secretions=chyme. Enyzme-pepsin.
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Small intestine
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Digestion-protein, carb, fat, and nucleic acid. Absorption-amino acids, sugars, lipids, and nucleotides.
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Large intestine
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Water and vitamin absorption. Feces storage and fecal elimination.
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Perstalsis
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Moves food from esophagus to stomach. Propelling movements include a wavelike motion which push the tubular contents ahead of it.
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Stomach lining
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Mucus linking. Alkaline(basic) coats srface of cell and neutralizies it. Inactive pepsin-pepsinogen. High replacement rate of cells.
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Stomach (Mechanical/Chemical)
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Mechanical: Liquefies food, turned, twisted, and mixed with fluid. Chemical-digestion of proteins. Enyzme-pepsin.
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Villi
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Finger like Projections. Increase surface area.
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Microvilli
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Hairlike structures. Increase surface area.
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Liver
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Filters all blood coming from intestines. Packages lipids, produces bile. Converts glucose into glycogen and stores it. This helps reduce sugar in blood.
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Fats
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Excellent stored form of energy. 9 vs. 4 calories.
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Carbohydrates
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Fuel=cellular respiration to make ATP.
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