Air enters and exits the lungs through the __ a) bronchi. b) trachea. c) aveoli. d) pulmonary vein

Air is conducted/entered through the Bronchi. The trachea is the windpipe and is a passage way for air. The alveoli are the tiny sacs that help transport carbon dioxide and oxygen to and out from our lungs. D takes the blood and makes it de-oxygenated I think. The best answer would be A.

Answerbasal cell carcinoma;