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R1-Thermo/Osmo
thermo/osmoregulation for review 1
| Term | Definition |
|---|---|
| secretion, filtration, reabsorption | chemical processes of urine filtration |
| diuretic | increases urine volume |
| fur, fat, feathers | heat retainers on animal skin |
| endothermic | heat produced w/i |
| ectothermic | heat comes from environment |
| homeothermic | controls body temperature |
| countercurrent exchange | two opposite flowing liquids exchange heat/ions |
| osmosis | diffusion of water through semi-permeable membrane |
| ammonia | aquatic invertebrate waste product |
| urea | mammal nitrogenous waste product |
| homeostasis | controlled internal environment |
| uric acid | bird waste product |
| simplest nitrogenous waste product of protein | ammonia |
| high levels of aldosterone in blood | elevated blood pressure, extra sodium channels in kidney |
| hypothalamus | brain center of thermoregulation |
| dialysis | machine takes over kidney function |
| anti-diuretic hormone | released by adrenal gland to pull water from urine back into body |
| hyponatremia | low sodium in blood |
| two things left in blood after dumping at glomerulus | blood cells and water |
| renal | kidney |
| ad- | on top of |
| medullar | inside |
| cortex | outside |
| urethra | passage from bladder to outside |
| bowman's capsule | absorbs filtrate dumped at glomerulus |
| ureter | passage from kidney to bladder |
| artery | pumps warm blood from heart to body |
| vein | pumps cool blood from body to heart |
| glomerulus | ball of capillaries in kidneys |