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Digestive Level 1
All the vocabulary for Level 1 of the Digestive system menu.
| Term | Definition |
|---|---|
| nutrients | "Compounds found in the environment that living organisms need to grow and survive. The 6 types are water |
| digestion | A process that breaks down the foods that we eat into molecules small enough to be absorbed (taken in) by cells. It can be mechanical or chemical. |
| peristalsis | The squeezing muscle movements that move food through the organs of the digestive system. |
| enzyme | "A chemical that speeds up chemical reactions in the body |
| chyme | The watery mixture of food and gastric juices in the stomach. |
| chemical digestion | "The process of digesting (breaking down) food |
| mechanical digestion | "The physical breakdown of food into smaller pieces |
| mouth | The place where mechanical AND chemical digestion begins. Mechanical: teeth cut and chop food. Chemical: enzymes in saliva start to digest starch. |
| esophagus | The tube that leads from the mouth to the stomach. |
| stomach | The pouch-like muscular organ where food gets mixed with gastric juices and churned into a watery paste called chyme. Both mechanical and chemical digestion occur here. |
| small intestine | "The organ where chemical digestion occurs |
| large intestine | "The organ where water is removed from the nutrient-free chyme |
| rectum | The organ where feces is stored before being removed from the body through the anus. |
| pancreas | The accessory organ that produces enzymes for use in the small intestine. |
| liver | The accessory organ that produces bile for use in the small intestine. |
| gall bladder | The accessory organ that produces enzymes for use in the small intestine. |
| Hydrochloric acid | A strong acid found in gastric juices that helps break down food and kill bacteria. |
| feces | The material leftover after the large intestine removes the water from the digested chyme. |
Created by:
OMSscience8
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