How many pairs of ribs does a human body have?

How many pairs of ribs does a human body have?

  • (a) 9
  • (b) 10
  • (c) 11
  • (d) 12
Humans normally have 12 pairs of ribs, which amount to 24, that form a protective cage for the heart and lungs. They include true ribs (1-7), false ribs (8-10), and floating ribs (11-12). Although the normal number of pairs of ribs is 12, some people may have more, like an extra pair in the cervical region.
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Related MCQs:

 ‘NATO’ is an abbreviation of:

  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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