Urinary System Flashcards
List some examples of waste our bodies produce
Sweat
Carbon Dioxide gas
feces
urine
what is the main function of the urinary system
filter blood to remove waste and excess substances like water and minerals
how do kidneys filter blood
nephrons
from where do the kidneys receive blood
renal artery
what surrounds the nephrons?
capillaries
how do the nephrons filter blood
diffusion
in urine, what is considered the solvent
water
what are the solutes in urine?
urea
uric acid
potassium
sodium
urochrome
what give urine its colour and where does it come from?
urochrome makes it yellow and it comes from the destruction of hemoglobin present in old red blood cells
what are ureters
they are tubes connecting the kidneys to the bladder and they carry urine to the blader
describe the bladder
a stretchy bag made of muscles and it stores urine before it is expelled
what does the sphincter do
stops the flow of urine
what is the urthra
a tube which gets urine from the bladder to outside the body
what is homeostasis
the body’s ability to maintain balance
