What is the major role of the respiratiory system?

Answer 1

The role of the respiratory system is the exchange of gases. This means that the lungs take oxygen into the blood in exchange for carbon dioxide removed from the blood. Note that exchange does not mean that oxygen is changed intocarbon dioxide. It simply means that oxygen is taken in at the same time as carbon dioxide is given out. The oxygen taken in is used by the body cells in the process of respiration: the release of energy from food. When food is "burned" with oxygen, carbon dioxide is produced which has to be removed from the body. See http://yucky.discovery.com/flash/body/pg000138.html

Answer 2

The respiratory system supplies oxygen to the entire body. This system enables people to breath and it consists of lungs, blood vessels, and muscles.

Answer 3

To acquire and process and oxidizer for the carbohydrate burning fuel system.

Answer 4

To move oxygen into the body and into the bloodstream, and to remove carbon dioxide from the bloodstream, and expel it from the body.

Answer 5

inhalation and exhalation