diffusion Flashcards
1
Q
what is the definition for diffusion?
A
diffusion is the spreading out of particles resulting in a net movement from an area of higher concentration to an area of lower concentration
2
Q
what are the 3 factors that affect rate of diffusion?
A
the bigger the concentration gradient, the temperature, the larger the surface area of the membrane
3
Q
why does diffusion happen in both solutions and gases?
A
because the particles in these substances are free to move about randomly
4
Q
what is an example of diffusion?
A
respiration
