Excretory System
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16 terms
Terms | Definitions |
|---|---|
 What is the function of the excretory system? | to remove wastes from the body |
| How does the excretory system maintain homeostasis? | smooth muscle contractions that generate heat -trapped by adipose tissue |
| 3 types of excretion | -from skin -from colon -of fluid |
| Excretion from skin | sweat that contains salt (NaCl) |
| Excretion from colon | solid wastes (feces) |
| Excretion of fluid | formed in the kidneys |
| Function of Kidneys | filter wastes from blood by diffusion/osmosis and add water to form urine |
| Urine Flow | kidneys -> ureter -> urinary bladder -> urethra -> out of body urethra and urinary bladder known as U-tubes |
| Functional unit of kidneys | Nephron |
| Nephron | structure that filters blood |
| Dialysis | machine that does the job of kidneys |
| Renal | deals with kidneys |
| Components of Nephron | -glomerulus -loop of henle -collecting duct |
| Glomerulus | location where blood is filtered |
| Loop of Henle | water moves in/out of nephron, forming urine |
| Collecting Duct | urine held here until released through ureter |
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