O2-rich blood travels through arteries, then arterioles, and finally capillaries.
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.
so babies can explore without fear of choking or eating something harmful
