urinary system

Question 1

function of us (1)

Answer 1

to maintain homeostasis (regulates volume and concentration of body fluids)

Question 2

parts of us (4)

Answer 2

• kidneys
• bladder
• urethra
• ureter

Question 3

renal artery (2)

Answer 3

• carries watse to kidney

- supplies kidney with nutrients + oxygen

Question 4

renal vein (2)

Answer 4

• purest blood from body (cleaned from kidney

- carries CO2 to inferior vena cava

Question 5

ureter (1)

Answer 5

carries piss from kidney to bladder

Question 6

sphincters (2)

Answer 6

• control drainage from bladder to urethra
• there are 2
• one in involuntarily controlled the other we learn to control

Question 7

kidney function (3.3)

Answer 7

-filters blood to remove waste products from body
{at any given time 20% of blood is in kidney}
-body can function with only 1 kidney
-the main metabolic watses are urea; uric acid; cratinine {all have nitrogen as major component}