excretion Flashcards
1
Q
what are the lungs made out of?
A
co2 + h2o vapor
2
Q
what happens to the liver when amino groups are removed from amino acids?
A
amino group is converted to urea
3
Q
what is urea excreted by?
A
kidney
4
Q
what happens to the remaining amino acids that are not converted to urea?
A
they are broken down by cellular respiration.
5
Q
what does the liver break down?
A
rbc
6
Q
what do sweat glands contain?
A
h2o, salt, very small amount of urea
7
Q
what are h2o, salt, small amount of urea called?
A
all together, they are called perspiration
8
Q
how do sweat glands have perspiration?
A
by diffusion
9
Q
what is perspiration?
A
body temperature regulation (homeostasis)