Multiple choice

Increase in body temperature is due to chemicals known as pyrogens. They are actually released by

  1. virus

  2. bacteria

  3. white blood cells

  4. red blood cells

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pyrogen is a substance, as a thermostable bacterial toxin, that produces a rise in temperature in a human or animal. But they are actually released by white blood cells.