2
Question
Number of floating ribs in human are
Number of floating ribs in human are
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Solution
The correct option is C 2 pairs
In humans there are normally 12 pairs of ribs. The first 7 are true ribs as they are attached directly to the sternum by costal cartilages.The 8th - 10th pairs are false ribs as they do not join the sternum directly but are connected to the 7th rib by cartilage.
The 11 and 12th ribs are known as floating ribs which are only connected to a person's backbone and not to the sternum. Hence option D is correct.
In humans there are normally 12 pairs of ribs.
The first 7 are true ribs as they are attached directly to the sternum by costal cartilages.
The 8th - 10th pairs are false ribs as they do not join the sternum directly but are connected to the 7th rib by cartilage.
The 11 and 12th ribs are known as floating ribs which are only connected to a person's backbone and not to the sternum. Hence option D is correct.
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