Question

Q3. Out of twelve pairs of ribs
pairs are not joined to the breastbone.
A) Two
B) Three
C) Four
D) Five​

Answer 1

Answer:

(A) TWO Please like my answer

Explanation:

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Answer 2

Answer:The phrase floating rib or vertebral rib (Latin: costae fluctuantes) refers to the two lowermost, the eleventh and twelfth rib pairs; so-called because they are attached only to the vertebrae–and not to the sternum or cartilage of the sternum.

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