Human Nutrition Word Scramble
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| Question | Answer |
| What is the digestive role of the liver? | -makes bile which emulsifies fat. -stores nutrients -makes sodium hydrogen carbonate to neutralise acid |
| what is mechanical digestion? | This is the physical break down of food for eg: by teeth |
| What is chemical digestion? | The br4eakdown of food using enzymes eg: amylase digests starch into maltose |
| What is meant by the term egestion? | This is the removal of unabsorbed material from the digestive system |
| What are incisors? | chisel shaped teeth with sharp edges for cutting, slicing or biting. |
| What is peristalsis? | It is a wave of muscular action that forces food through the intestines. |
| what is the main location where digestion takes place and why? | Duodenum as it makes a range of digestive enzymes. |
| what is the function of the colon? | -it reabsorbes water from the waste forming feaces -symbiotic bacteria in colon make vitamins and digest cellulose |
| what are4 symbiotic bacteria? | bacteria that obtain food from humans and provide useful vitamins in return. |
| where is bile made and stored? | bile is made in the liver and stored in the gall bladder. |
| what are the functions of bile? | -imulsifies lipids which increases the surface area for enzyme digestion -neutralises acid chyme from stomach |
| name 2 adaptations of the small intestine for absorbing food. | -it has many villi and microvilli -it is very long |
Created by:
edyta
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