What compound do organisms get from the air for cellular respiration? A. Carbon Dioxide

B. Oxygen

C. Water

D. ATP

Explanation:

During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts. In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;