excretion Flashcards
1
Q
homeostasis
A
the maintenance of a constant internal environment in an organism
2
Q
endotherms
A
generate their own heat from metabolic reactions
2
Q
ectotherms
A
gain or lose their heat from or to their external environment
3
Q
filtration
A
means that water and sell molecules pass (under high pressure) from the blood into the nephron
4
Q
reabsorption
A
means that molecules pass from the nephron back into the blood
5
Q
active transport
A
means that energy (ATP) is used to move molecules against concentration gradient (low to high concentration)
6
Q
sectretion
A
some substances pass from the blood into the nephron
7
Q
ADH
A
anti-diuretic hormone
