Using the key choices below, match the description given with the structure in the alimentary canal that it describes. Choices may be used more than once.

1. gallbladder 2.villi 3.mouth 4. tongue 5. pharynx 6. esophagus 7. microvilli

8. pancreas 9. small intestine 10. large intestine 11. appendix. 12 stomach

13. small intestine 14. small intestine 15. anus 16. liver 17. salivary gland

18. rectum

Explanation:

Large intestine has three functions:

to absorb water and electrolyte, produces and absorbs vitamins, pushing faeces to rectum.

Small intestine lies between stomach and large intestine. It is here absorption of nutrients and minerals takes place.

Liver helps in synthesis of proteins and bile for digestion and growth. Bile is produced by liver that helps in digestion of lipids. Bile is stored in gall bladder.

Pancreas secretes enzymes and digestive juices. Produces insulin.

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