Term
| Name 3 digestive enzymes found in the human body |
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Definition
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Term
| Describe 3 ways in which the small intestine is adapted to absorb food |
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Definition
- it is 5m long
- its inner surface is folded
- its inner surface is covered in tiny finger-like projections
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Term
| Name the finger-like projections on the inner surface of the small intestine |
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Definition
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Term
| Describe 3 features of the Villi that oncrease the rate of absorbtion |
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Definition
- lots of blood capillaries
- thin lining
- micro-villi
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Term
| What transport system are glucose and amino-acids absorbed into |
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Definition
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Term
| What transport system are fats absorbed into |
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Definition
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Term
| What substance is produced in the digestive system to emulsify fats |
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Definition
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Term
| Why are fats emulsified in the digestive system |
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Definition
| to increase the suface area for the action of the enzyme lipase |
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Term
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Definition
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Term
| What 3 subatances are formed during fat digestion |
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Definition
- Monoglyceride
- two fatty acids
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Term
| What molecules surround the fat as it moves from the cell lining the intestine to the lacteal |
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Definition
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Term
| Name the blood vessel that carries blood from the intestine to the liver |
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Definition
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Term
| Describe the contents of the plasma in the hepatic portal vein |
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Definition
- glucose - high
- amino acids - high
- urea - normal
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Term
| Describe the contents of the plasma in the hepatic vein |
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Definition
- glucose - normal
- amino acids - normal
- urea - high
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Term
| Describe the contents of the plasma in the hepatic artery |
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Definition
- glucose - normal
- amino acids - normal
- urea - normal
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Term
| What is the livers role in the regulation of blood glucose levels |
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Definition
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Term
| Name the hormone that stimulates the conversion of glucose into glycogen |
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Definition
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Term
| Name the hormone that stimulates the conversion of glycogen into glucose |
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Definition
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Term
| Name the lipid made in the liver |
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Definition
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Term
| What molecule is made in the liver that is used in the absorbtiono of fats in the gut |
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Definition
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Term
| Name the 3 plasma proteins made in the liver |
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Definition
albumins
globulins
fibrinogen |
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Term
| What is the role of transanimase enzyme in the liver |
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Definition
| It converts one amino acid into another |
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Term
| What happens to excess fat in our bodies |
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Definition
| it is stored in the adipose tissue |
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Term
| What are fats used for in our bodies |
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Definition
storage of energy
energy source
padding
thermal insulation
nerve insulation |
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Term
| What is the term used to describe the breakdown of amino acids for energy |
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Definition
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