urinary sysetm Flashcards
what is excretion
the procures that rids the body of membrane waste
what do the kidney excrete
ammonia,urea,utica acid and creatinine
what does the liver excrete
bile pigments
what does the lungs excrete
co2 and water
what does the skin excrete
water, salt and urea(sweat)
what do they intestines excrete
ions but not metabolic waste products
what is urea
top waste product of humans
what is the urea equation
O
=
H2N - C - NH2
what is ammonia NH2
comes from deaminating of amino groups and very toxic to tissue, mammals convert to urea
what is creatinine
comes from creatinine phosphate in muscle metabolism
what is urea acid
found in organism that live in environments where conservation of water is important
what are kidneys
red blood mush organs located dorsally, have millions of nephrons that make them up
what are the kidneys layers
renal cortex (out) renal medulla (middle) and renal pelvis (inner)
what is the ureter
muscular tube transports urine from kidney to urinary bladder
what is urinary bladder
muscular structure that holds urine
