Digestion-B5
- Created by: Shannon
- Created on: 31-05-13 09:22
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- Digestion
- Lipase breaks down fat into fatty acids and glycerol in the small instestines
- Bile is released from the gall bladder to emulsify fats, increasing surface area for efficient digestion
- Fat diffuses through the small intestine into the lymph
- Bile is released from the gall bladder to emulsify fats, increasing surface area for efficient digestion
- Carbohydrate-s and protein molecules are soluble, diffuse into the blood
- Small intestine adaptations: villi and microvilli, many blood cappilaries, large surface area
- Protease breaks down protein into amino acids in the stomach- acid is the optimum for protease (low pH)
- Carbohydrase breaks down starch into sugar (glucose) in the mouth
- Starch to moltose, moltose to glucose
- Physical digestion-allows food to pass through the digestive system easily
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- Lipase breaks down fat into fatty acids and glycerol in the small instestines
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