the respiratory system Flashcards
1
Q
what happens in the respiratory surfaces
A
its were gas is exchanges in aniamals
2
Q
what are the human respiratory surfaces
A
alveoli in the lungs
3
Q
how are alveoli adapted for gas exchange
A
large surface area
thin walls
moist
rich blood supply
concentration gradient
permeable
4
Q
whats the function of a permeable cell membrane
A
allows gases to pass through
5
Q
whats the function of a rich blood supply
A
maintains a diffusion gradient
6
Q
whats the function of thin cells
A
short diffusion distance
7
Q
rounded shape of air sac
A
increases the surface area
8
Q
what part of the cns is not apart of the reflex arc
A
brain
9
Q
The body produces a hormone that reduces the volume of urine
produced by the kidneys.
Name this hormone
A
ADH
10
Q
A
