Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
Homestasis
|
maintenance of a constant internal environment
|
|
What does urine contain
|
mostly water, with urea, dissolved salts and other organic compounds
|
|
osmoregulation
|
control of water levels in the blood. The hypothalamus in the brain detects the levels of water in the blood and releases varying levels of ADH which travels to the kidney. If there is a lot of ADH, more water will be reabsorbed into the blood, which changes the levels of water in urine.
|
|
ulltrafiltration
|
where waste products are filtered out of the blood (such as glucose, amino acids, ions and urea) in the kidney at the beginning of the nephron in bowman's capsule.
|
|
selective reabsorption
|
where useful products are put back into the blood in the nephron
|
|
name parts of the urinary system
|
kidneys, renal vein and renal artery, ureter, bladder, sphincter muscles and urethra
|
|
where does selective re absorption of glucose occur
|
the first coiled tubule of the nephron
|
|
where is water re absorbed into the blood
|
from the collecting duct
|
|
how does the skin keep us cool
|
vasodilation, sweating
|
|
how does the skin keep us warm
|
vasoconstriction, shivering, hair erection, changes to metabolism
|