Question 7

Why does heavy physical activity increase the human body's water intake?

Select all that apply. One, some, or all responses may be correct.

A. Physical activity disrupts the thirst mechanism.
B. Water is lost through increased sweat and respiration.
C. Water provides energy burned during physical activity.
D. More water is necessary for increased metabolic demands.
E. Higher muscle mass increases the percentage of body water.



Answer :

Final answer:

Heavy physical activity increases water intake due to increased sweat and metabolic demands.


Explanation:

Heavy physical activity increases the human body's water intake due to several factors:

  • Water is lost through increased sweat and respiration, necessitating higher water intake to maintain hydration levels.
  • More water is necessary for increased metabolic demands during physical activity to support energy production and muscle function.
  • Higher muscle mass increases the percentage of body water, requiring increased water intake to support muscle function and repair.

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