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Science
| Term | Definition |
|---|---|
| Digestion | is the process by which food is broken down into small nutrients |
| Mechanical Digestion | the physical break down of food by chewing or churning |
| Chemical Digestion | the chemical break down of food by enzymes produced by pancreas and liver |
| Mouth | Carbohydrates start to get broken down into simple sugars. Using chewing and grinding and enzymes in saliva break down starch into sugar |
| Amylase | Enzymes that digests carbohydrates = protein |
| Epiglottis | is a flap that makes sure the food does not go down into the lungs |
| Esophagus | a tube that connects the mouth to the stomach, peristalsis occurs here |
| Peristalisis | the rhythmic contraction of muscles that push food through the digestive system |
| Stomach | muscular organ that starts the digestion of proteins with pepsin and hydrochloride acid |
| Pepsin | helps break down protein it is an enzyme |
| Liver | produces bile, which breaks down fat into small pieces |
| Gallbladder | stores the bile |
| Bile | stored until released into small intestine also breaks down fats into tiny particles |
| Pancreas | produces insulin to break down sugar |
| Insulin | break down sugars |
| Small intestine | most chemical digestion is completed and nutrients are adsorbed digestion gets completed here |
| Villi | help absorb nutrients and increases the surface area and are finger like projection |
| Large intestine | removes water and vitamins to for solid waste |
| Rectum | stores solid waste products |
| Enzymes | proteins and fits like a lock and a key |
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