Multiple choice general knowledge science & technology

how many eyelids Camels have to protect themselves from blowing sand.

  1. 4

  2. 2

  3. 1

  4. 3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Camels have three eyelids - two regular eyelids like humans, plus a third transparent eyelid called a nictitating membrane that moves horizontally. This third eyelid allows them to see while protecting their eyes from blowing sand in desert environments.

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