The answer to this one is D
Answer:
The alveolar membrane- is where gas exchange between the blood and the atmosphere takes place. The gas molecules must diffuse across the alveolar epithelium and the capillary endothelium. ... Thus, the alveolar surface (as well as the respiratory bronchioles) have no cilia or mucus layer.
Explanation:
hope it helps =)
<u>Answer</u>
Aerobic respiration is:
B) an efficient cellular respiration process that produces large amounts of energy.
Water can pass throught the cell membrane because, the cell membrane has little holes in the membrane allowing water to go through
