We find that carbon dioxide is removed from the body via what is called gas exchange in the lungs. When we inhale, air is drawn into the lungs, and the alveoli in the lungs ar â¦ e the sites where gas exchange takes place. Carbon dioxide exits the blood, and oxygen enters.
Ferrara climbed into the cage and stripped naked, then wrapped his arms around a lionâs neck. He was left with severe injuries to his head, pelvis and chest. Both lions were shot dead in accordance with zoo policy regarding such incidents.
It is 44 years since a man known only as DB Cooper leapt out of a hijacked 727 airliner with a parachute on his back and a bag stuffed with $200,000 (Â£132,000) of bank notes. No trace of him has ever been found. But now a new theory suggests he may have been a grocery store manager who disappeared before the hijacking.