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URINARY SYSTEM
Question | Answer |
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List the systems that eliminate waste | urinary system digestive system integumentary system respiratory system |
what does the urinary system eliminate? | water nitrogen wastes and salts (all make up urea) |
what does the respiratory system eliminate? | carbon dioxide and water (vapor) |
what does the digestive system eliminate? | water some salts digestive residue (all contained in feces) |
what does the integumentary system eliminate? | water salts very small quantities of nitrogen wastes |
what are the organs of the urinary system? | kidneys ureters urethra uninary bladder |
list the activities of the kidneys in maintaining homeostasis... | -they regulate red blood cell production -they use the protein, ANGIOTENSIN,to regulate blood pressure -control the acid balance of body fluids -they control water balance -they excrete metabolic waste, toxin, and salts in Urea |
trace the path of a drop of blood as it travels through the kidney... | blood comes to the kidney from the abdominal aorta's RENAL ARTERY. in the kidney the renal artery becomes smaller and smaller subdivisions until they they contact the NEPHRONS. Blood leaves the kidneys by vessels that merge to form the renal VEIN, |
describe a nephron. | It's the basic worker unit of the kidney. A tiny,coiled tube with a bulb at one end. The bulb(GLOMULAR CAPSULE)surrounds a cluster of capillaries |