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19 Cards in this Set
- Front
- Back
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what are the main components of gastrointestinak system |
mouth, esophagus, stomach, liver, pancreas, s&l intestine, gallbladder, appendix |
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functions of gastrointestinal system? |
-break down food -absorb nutrients into body -movement of food through body -removal of wast product |
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mouth |
-process begins at mouth -mechanical-braking down food -chemical-saliva contains enzymes that break down carbohydrates |
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esophagus |
-muscular contractions carry food,liquid,saliva from mouth to stomach -eso pinched at upper/lower ends by muscle called sphincters. when swallowing they relax which allows passage way |
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stomach |
-storage/mixing organ for ingested food/fluids -when food enters gastric juices are secreted by wall of stomach-breaks down food into chyme |
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small intestine |
-produces secretion that protect intestinal wall, helps mix an move chyme as absorption of fluid an nutrients occur |
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large intestine |
-absorbs water and vitamins from chyme, leaving behind feces that are eliminated by rectum an anus |
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liver |
located below diapraghm, produces bile -bile contains digestive enzymes that break down food containing fat |
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pancreas |
-endocrine and exocrine gland produces hormones and pancreatic fluid juices -pancreatic juices contain digestive enzymes that neutralize hydrochloric acid in digestive juices entering small intestine |
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appendix |
-located near s an l intestine - no real purpose |
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main components of genitourinary system |
kidneys, ureters, bladder, urethra |
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What functions are of the genitourinary system? |
-removes waste from blood -produces urine from waste -stores urine until eliminated -eliminates urine
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kidneys |
-behind abdominal cavity r an l side -takes blood from renal arteries and removes water and wastes from blood=maing of urine |
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ureters |
-muscular tubes -carry urine from kidneys-bladder
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Bladder |
- in pelvis -hollow organ -collects urine from kidney an stores until bladder is ready to empty |
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urethra |
excretes urine to outside of body |
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what is micturition |
-"urination" or "voiding" -act of emptying bladder, produced by kidneys an excreted through ureters into urinary bladder
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facts about urine |
200ml=urge to pee voluntary control 500-600ml irressitable
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incontinence |
-happening without voluntary control -caused by age, stress, pregnancy, or trauma |
