Multiple choice general knowledge

Who responds to different stimulus?

  1. blood

  2. nerves

  3. skincell

  4. eye
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Nerves (neurons) are specialized cells that detect and respond to various stimuli - electrical, chemical, mechanical - by generating action potentials. While eyes contain nerves, the nerves throughout the body are the fundamental responders. Blood cells don't respond to stimuli in the same way.

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