Gas Exchange

Question 9 • *GV 2018 - P.E. Health Science Concepts - PE361

Diffusion is:

Answer

the process of a concentrated substance moving into an area of lower concentration.

the rate at which oxygen is taken in by the alveoli and used by the body.

a type of cell that transports oxygen and carbon dioxide.

a cluster of air-filled sacs that move oxygen through the body.

Circulation and Respiration

Circulation and Respiration

Part 3