Diffusion Flashcards
1
Q
What is diffusion
A
The movement of substances from an area of high concentration to an area of low concentration
2
Q
Human example of diffusion
A
The lungs diffuse during gaseous exchange
3
Q
What to villi do
A
Adapt to increase the rate of diffusion
Increase the surface area of the small intestine
4
Q
What factors affect diffusion
A
Concentration gradient
Temperature
