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Urinary System
Anatomy Final
| Question | Answer |
|---|---|
| The output of the urinary system? | Urine |
| Where does waste originally come from? | Blood |
| How does blood get to the urinary system? | Renal arteries |
| Outside layer of kidney? | Renal capsule |
| Inside layer of kidney? | Renal medulla |
| The kidney is organized into repeating microscopic units known as... | Nephrons |
| A nephron uses what biological principle to filter blood and retain water? | Glomerular filtration and selective re-absorption |
| How does waste get from the kidney to the bladder? | Ureters |
| Bladder form=function | A hollow muscular sac in the pelvis that collects and holds urine from kidney's |
| How does waste get from the bladder to outside environment? | Through a single tube called the urethra |
| EPO(erythropoietin) | A hormone produced by the kidney's that stimulates bone marrow to produce rbc |
| ADH(antidiuretic) | A hormone that is a chemical in the brain that regulates the amount of water your kidney's absorb |
| What is negative feedback? | When a regulatory mechanism has a change which then triggers a response that reverses that change and returns body to a stable balance of homeostasis |
| Science word for kidney? | Renal |
| 1 function of the urinary system | removes organic waste from blood |
| 2 function of the urinary system | regulating blood volume/pressure |
| 3 function of the urinary system | regulating water ions/concentrations |
| 4 function of the urinary system | stabilize blood pH (all functions ultimately clean the blood) |