Multiple choice general knowledge science & technology

Which of the following helps keep body cool?

  1. Respiration

  2. Mastication

  3. Perspiration

  4. Urination
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Perspiration (sweating) is the body's main cooling mechanism - as sweat evaporates from the skin, it removes heat and helps regulate body temperature. Respiration is for breathing, mastication is chewing, and urination is for eliminating waste.

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