Diffusion and osmosis Flashcards
1
Q
What is the definition of diffusion?
A
Diffusion is the spreading out of particles from an area of higher concentration to an area of lower concentration.
2
Q
What is the definition of osmosis?
A
Osmosis is the movement of water molecules across a partially permeable membrane from a region of higher water concentration to a region of lower water concentration.
3
Q
What will happend if the temperature is WARMER?
A
The particles will always spread out FASTER if the temperature is warmer.
4
Q
Where does diffusion occur in the body
A
The lungs.
5
Q
What is special about diffusion?
A
It doesn’t require any energy from the cells.This is known as the passive process.
