The main goal of the respiratory system is to transfer oxygen from the air we breathe to the red blood cells, where the oxygen will be transported throughout the body and be available for all organs and tissues.
(The main goal of the respiratory system; is; to transfer oxygen from the air) (the air; breathe; to the red blood cells) (the oxygen; will be transported; throughout the body; L:the red blood cells) (the oxygen; be; available for all organs and tissues)
The main goal of the respiratory system the air the oxygen the oxygen
is breathe will be transported be
to transfer oxygen from the air
to the red blood cells
throughout the body L:the red blood cells
available for all organs and tissues