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Human Health
Chapter 12
| Question | Answer |
|---|---|
| what is energy? | the ability to do work |
| state the units of energy | Joules |
| a balanced diet contains the | right amount of each of the different food types |
| malnourished means | not getting enough of some food type |
| diabetes occurs if | a person cannot control the level of sugar in their blood |
| sugar gives us | a fast supply of energy |
| Genotype plus environment equals | phenotyoe |
| an enzyme is | a protein which speeds up a reaction |
| amylase breaks down starch to | maltose |
| maltase breaks down maltose to | glucose |
| hormones are | proteins which bring about a response in the body |
| nutrition means | how an organism gets its food and what type of food it gets |
| haemophilia is a condition where | excessive bleeding occurs due to a faulty gene |
| cystic fibrosis | a condition where the respiration system becomes clogged with mucus, due to a faulty gene |
| a balanced diet depends on | age, gender and levels of activity |
| examples of protein include | meat, poultry , fish and eggs |
| function of protein | growth and repair |
| there are 3 types of carbohydrate, they are | starch, sugar and fibre |
| examples of starch containing foods are | brown bread and pasta |
| a good source of fibre is | vegetables |
| fats are good for making | cell membranes |
| vitamin C is found in | Blackcurrants |
| lack of vitamin C causes | scurvy |
| a good way is getting vitamin D is | directly from sunlight |
| lack of vitamin D causes | Rickets |
| lack of calcium causes | osteoporosis |
| lack of iron causes | anaemia |
| Iron is found bound to this substance in Red blood cells | haemoglobin |
| To test for starch use | iodine |
| to test for glucose use | benedicts solution |
| To test for protein use | biuret reagent |
| to test for fat use | brown paper |
| if starch is present iodine changes from | brown to blue black |
| if glucose is present benedics solution changes from | blue to brick red |
| if protein is present biuret reagent changes from | blue to purple |
| if fat is present it leaves a stain on brown paper called a | translucent stain |
| water in the body acts as a | solvent |
| body temperature is | 37 degrees celsius |
Created by:
PHealy
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