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- urea waste material produced by amino acid breakdown
- renal artery brings blood to the kidney
- renal vein brings blood away from the kidney
- ureter drains urine from the kidney and take it to the bladder
- bladder storage place for urine
- nephron the unit of the kidney where filtration and absorption occur
- glomerulus the ball of capillaries in the nephron
- Bowman's capsulethe C-shaped tube structure around the glomerulus
- filtration diffusion under pressure that happens at the glomerulus
- reabsorption taking material that are needed and putting them back into blood
- urethra the tube that take urine from the bladder out of the body
- excretion process of ridding the body of wastes
- urine liquid waste containing water; urea; salts; other substances
- cortex outer portions of kidney (nephrons; glomeruli; convoluted tubules)
- medulla inner portions of kidney (Henle's loop & collecting tubules)
- filtrate the liquid that passes from the glomerulus to the Bowman's capsule
- antidiuretic the hormone that causes kidneys to reabsorb more water back to blood
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