Carbon dioxide is a colorless, odorless gas given off from the lungs as a waste product of respiration.
(Carbon dioxide; is; a colorless, odorless gas given off from the lungs as a waste product of respiration) (a colorless, odorless gas; given off; as a waste product of respiration)
Carbon dioxide a colorless, odorless gas
is given off
a colorless, odorless gas given off from the lungs as a waste product of respiration
as a waste product of respiration