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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Functions |
Movement Secretion Digestion Absorption |
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Saliva |
Digestion begins in the mouth. Amylase & lipase breakdown startch and lipids. |
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Small intestine |
Absorption process begins Most nutrients is absorbed in the small intestine. *Duodenum- most chemcial digestion *Jejunum- most nutrient absorption *Ileum- absorbed vitamins |
Serves as the main absorption organ of the digestive tract |
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Bile |
Created in the liver Stored in the gallbladder *useful in breaking down fats |
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Large intestine |
Colon Stores waste material and attaches to rectum. Abosrbs vitamin K |
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3 main secrections of the stomach |
1.) Pepsinogen (cheif cells) 2.) Mucus ( Goblet cells) 3.) Hydrochloric Acid ( Parietal cells) |
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Parasympathetic nevrous system |
The digestive system is under parasympathetic control. |
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Chyme |
Neutealized in the duodenum by bicarbonate in pancreatic secretions. |
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Ghrelin |
Induces hunger |
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Leptin |
Sensation of sanity (full) |
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Villi and microvilli |
Small intestine mainly the ileum absorbs polar digested nutrients in the blood , lipids into lacteals as cylomicrons and vitamin B12. |
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Chemical digestion of proteins |
Happens in the stomach. By the action of peosin, which is activated by acid and autocatalysis. |
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Pancreas |
Secrete pancreatic juices. Chyme is neutralized by bicarbonate in pancreatic juices. |
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Gallbladder |
Produces alkaline bile juices that help neutralize acid chyme. |
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Peristalsis |
A series of muscle contractions that move food through the digestive tract. |
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