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If Cindy wanted to increase her endurance by taking supplements or drugs, she would be attempting to
increase the
A. uptake of oxygen by red blood cells
B. release of sugars in the blood stream
C. uptake of carbohydrates by the body
D. release of insulin in the body
Please select the best answer from the choices provided.
A
O
O
B
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Answer :

Final answer:

Enhancing endurance often involves improving the uptake of oxygen by red blood cells.


Explanation:

Increasing endurance through supplements or drugs often involves enhancing the uptake of oxygen by red blood cells, allowing for better aerobic respiration and energy production. For example, substances like erythropoietin (EPO) can stimulate red blood cell production, aiding in oxygen delivery to muscles.


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