Breathing vs. Gas Exchange vs. Cellular Respiration

Question 1

What is breathing?

Answer 1

Ensures a constant supply of O2 and the constant removal of CO2. Its the movement of air through the respiratory passages and lungs.

Question 2

3 Activities essential to successful breathing?

Answer 2

1) Diffusion of CO2 and O2 between the lungs and your blood.
2) Transport of O2 and CO2 by blood to body cells.
3) Diffusion of CO2 between blood and body cells.

Question 3

What is Gas Exchange?

Answer 3

Diffusion that occurs between a living cell and its surrounding environment.

Question 4

The rate of diffusion is dependent on?

Answer 4

1) Area of a cell’s membrane.
2) Concentration difference.
3) Diffusion diffrennce.