Which of the following statements are correct with reference to human endoskeleton ? A. Human skull is monocondylic. B. The joint between any two adjoining vertebrae is a cartilaginous joint. C. In human beings, the number of cervical vertebrae is seven. D. All ribs except the last 2 pairs are bicephalic. E. The occipital bone of skull is articulated with atlas vertebra. Choose the correct answer from the options given below :
B. B, C and E only
Statement A is incorrect because the human skull is dicondylic, possessing two occipital condyles. Statement B is correct because the joints between adjacent vertebrae are cartilaginous joints, which permit limited movement. Statement C is correct because humans, like almost all mammals, have seven cervical vertebrae. Statement D is incorrect because all 12 pairs of ribs are bicephalic, meaning they have two articulation surfaces on their dorsal end. Statement E is correct because the occipital bone of the skull articulates with the first cervical vertebra, known as the atlas. Therefore, statements B, C, and E are correct. Answer: B, C and E only
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