3. Which of the following is a normal way the body loses fluid?

A. Via the ear canal through wax buildup
B. Via the eyes through tears
C. Via the brain through spinal fluid
D. Via the kidneys through urination



Answer :

Final answer:

The body loses fluid through various processes, with urination being a major route. Kidneys play a vital role in regulating water levels in the body.


Explanation:

The body loses fluid through various processes, but one normal way is via the kidneys through urination. This mechanism helps regulate water levels in the body, allowing for the removal of excess water and waste products.

On a daily basis, the average adult takes in around 2500 mL of fluids and loses a similar volume through different routes, with urine being a major route of fluid loss. Additionally, water is lost through sweat and insensible water loss via skin evaporation and air expelled from the lungs.


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