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29 Cards in this Set
- Front
- Back
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Role of Digestive System
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Makes things Go
Life revolves around it cant live without it GI tract + accessory glands Homeostasis |
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Metabolism
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chemical transformation of raw materials -> ATP
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Order of the digestive system
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mouth
pharynx esophagus stomach small intestine large instestine rectum anus |
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Mouth
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32 teeth
incisors/canines - biting premolars/molars - grind |
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Pharynx
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digestive and respiratory
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Esophagus
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circular and longitudinal muscle
passageway |
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Stomach
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secrets gastric juice
mixes/stores chyme begins digestion process |
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Gastric Juice
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HCL
Enzymes Mucus |
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Stomach Absorption
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No Nutrients
Some Chemicals: ethyl alcohol Aspirin |
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Small Intestine
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Duodenum-1ft
Jejunum-7ft Ileum-12ft |
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Functions of small intestine
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Digest all remaining food
absorbs nutrients #1 side for nutrient absorption |
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Intestinal Juice
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enzymes to break down
enzymes for disaccharide digestion mucus |
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Pancreas gland types
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pancreatic juice
Islets of langerhans - 2 hormones |
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Pancreatic Juice
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2 enzymes -proteins
Sodium carbonate |
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Islets of Langerhans
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endocrine
insulin - decrease blood glucose glucagon - increase blood glucose |
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Diabetes Mellitus
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8.3% of pop
7th leading death |
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Type 1 diabetes
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children/adolescents
must monitor blood sugar levels to prevent hypoglycemia |
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Type 2 diabetes
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over age of 45
insulin resistance low fat low sugar diets |
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Liver
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All nutrients go through the liver
Cellular respiration glycogen storage filter blood recycles blood cells Bile |
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Large Intestine
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cecum
Colon (ascending transverse,decending,sigmoid) Rectum Anus |
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Function of the large intestine
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h2o absorption
feces formation bacteria manufacture vitamin k |
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Appendicitis
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bacterial infection
pain in lower right |
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Peritonitis
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bacteria induced inflammation of the peritoneum
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Diarrhea
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rapid movement through large intestines
inefficient water absorption viruses,bacteria dehydration |
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Constipation
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excessive water absorption due to delayed emptying
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Hemorrhoids
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swollen blood vessels inside anus
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colon cancer
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3rd most common
2nd deadliest for men colonoscopy |
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Cirrhosis
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Liver disorder
parasites alcohol abuse |
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how alcohol affects the body
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slides
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