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Definition
| Large, complex molecules composed of long chain monimers |
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Definition
| Small basic molecular units |
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Definition
| Carbon +Oxygen + Hydrogen |
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Term
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Definition
| Carbon + Oxygen + Hydrogen + Nitrogen |
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Definition
| To be Made into new products |
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Definition
| Breaking bonds to form smaller molecules + water |
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Definition
| Cannot be directly absorbed into the bloodstream |
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Term
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Definition
| Tube that takes food from the mouth to the stomach using peristalsis. Mucus is secreted from tissues in the the walls, to lubricate the food's passage downwards. |
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Definition
Has two main parts: duodenum - bike and pancreatic juice neutralise the acidity of chyme and break it down into smaller molecules.
Ileum- small, soluble a molecules are absorbed through the villi that line the gut wall. |
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Term
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Definition
| Absorbed water, salts and minerals. Has a folded wall - provides a large surface area for digestion. Bacteria that decompose some of the undigested nutrients are here. |
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Definition
| Faeces are stored in the rectum and then pass through the sphincter muscles at he anus during defecation. |
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Term
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Definition
| Small sac. Has lots of folds, can't hold up to 4ltrs. Entrance and exit controlled by sphincter muscles. Walls produce gastric juice. Peristalsis produces Chyme here. |
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Definition
| Waves of muscular contractions |
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