2.2: Adaptations for gas exchange Flashcards
1
Q
What is a respiratory surface?
A
A place in which gases are exchanged across.
2
Q
What are the four characteristics of a respiratory surface?
A
Thin, permeable to gases, moist and have a large surface area.
3
Q
Meaning of diffusion?
A
Passive, down a gradient.
4
Q
Meaning of active transport?
A
Requires energy, up a gradient.
