Answer:
D) is the answer because it only allows particular molecules to get in and out
Answer:
A.
The ability of your heart and lungs to work during prolonged exercise
Explanation:
Cardiorespiratory endurance is the ability of your heart and lungs to work during prolonged exercise. The heart is responsible for sending oxygenated blood to the rest of the organs of the body. If the heart is unable to do that, the body collapses.
Cardiorespiratory endurances means the ability of the heart to withstand long time endurances while exercising or physical exertion.
I think the area is wait is there supposed to be a pic?
