In the human body, which one of the following is anatomically correct?

Collarbones - 3 pairs

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Salivary glands - 1 pair

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Cranial nerves - 10 pairs

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Floating ribs - 2 pairs

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Solution

The correct option is D Floating ribs - 2 pairs
Ribs are 12 pairs of bony bars which form the sides of the chest cage. Ribs are of 3 types - true ribs, false ribs, and floating ribs. Anatomically floating ribs are of 2 pairs (11th and 12th ). These ribs are imperfectly formed and do not reach the sternum. They protect the kidneys.
Collarbones - 2 pairs
Salivary glands- 3 pairs
Cranial nerves - 12 pairs

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