What is the most numerous type of cell in the human body?

  1. Colonic bacteria
  2. Nerve cells
  3. Yeast organisms
  4. Amoebas

ANSWER: a. Colonic bacteria

Interestingly, the bacteria in your colon are the most numerous type of cell in your body, and each of us harbors somewhere in the neighborhood of 2 or 3 pounds of these healthy bacteria. Our bodies actually have 10 times more cells of these bacteria than human cells with our own DNA. Beneficial colonic bacteria species have several important functions.

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