Multiple choice

The human skull contains 22 bones. Which of the following bones is a spongy bone?

  1. The Occipital bone

  2. Sphenoid bones

  3. Ethmoid bone

  4. Temporal bones

  5. Parietal bones
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C Correct answer
Explanation

The Ethmoid bone differs from the other bones in the cranium in that it is a spongy bone. It divides the nasal cavity from the brain.

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