Diffusion and osmosis in living organisms

Question 1

Diffusion

Answer 1

Diffusion is the method by which oxygen diffuses into the cells and carbon dioxide diffuses out.

Question 2

Nutrients

Answer 2

Many nutrients are taken up by diffusion.

Question 3

Waste

Answer 3

Waste leaves the cells by diffusion.

Question 4

Osmosis

Answer 4

Osmosis allows cell to take up water and lose it, this can be a problem in animal cells.

Question 5

Where is diffusion important

Answer 5

In the lungs and gills.
In the gut.
In leaves
In the cell surface membrane of amoeba and microorganisms.