Multiple choice general knowledge science & technology

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

  1. three

  2. two

  3. no

  4. single
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Camels have three eyelids - two with lashes and a third transparent eyelid that acts like a windshield wiper. This third eyelid sweeps horizontally across the eye to remove sand and protect against harsh desert conditions. The other options (two, no, single) are all incorrect.

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