Transport Flashcards
1
Q
Diffusion
A
Particles moving from high to low concentration
2
Q
How is rate of diffusion changed?
A
Concentration gradient, temperature, surface area
3
Q
How is effectiveness of an ax change surface increased?
A
Large surface area, thin membrane, efficient blood supply, being ventilated
4
Q
What is osmosis?
A
Movement of water from high to low water concentration across a partially permeable membrane
5
Q
What is active transport?
A
Transport substances across a membrane from low to high concentration
6
Q
Where is active transport used?
A
In Root hair cells and the small intestine
