Biology Unit 3

Biology unit 3 revision tools

HideShow resource information
  • Created by: Anna
  • Created on: 17-05-11 15:38

Diffusion

Diffusion 

1 of 7

Diffusion

The passive movement of particles from an area of high concentration to an area of low concentration (Down a concentration gradient)

2 of 7

Osmosis

Osmosis

3 of 7

Osmosis

The passive movement of water through a partially permeable membrane from an area of high concentration to an area of low concentration until equillibrium is reached

4 of 7

Active transport

Active Transport

5 of 7

Active transport

The movement of particles using energy. This can be against a concentration gradient.

6 of 7

Body

Nasal passage and mouth

Trachea (windpipe)

Bronchi (left and right bronchus)

Bronchioles

Alveoli

7 of 7

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all resources »