The function of breathing is to maintain a supply of oxygen to the lungs for the blood to transport to the tissues and to remove carbon dioxide from the body.
(The function of breathing; is; to maintain a supply of oxygen to the lungs for the blood to transport to the tissues and to remove carbon dioxide from the body)
The function of breathing
is
to maintain a supply of oxygen to the lungs for the blood to transport to the tissues and to remove carbon dioxide from the body