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Write about the human axial skeleton, giving suitable labelled diagram.
a. The skeleton that consists of the bones present along the of the human body is known as the axial skeleton.
b. The skull is a hard structure made up of many bones known as the cranial bones and facial bones. It is also known as the cranium or brain box. It is formed by bones, out of which 8 bones are fixed together to form the , and the other bones fuse to form the facial bone.
c. The vertebral column is found in the trunk region to offer support to the upper part of the body. Out of the 33 vertebrae are known as cervical vertebrae, 12 as , fused sacral and fused coccygeal vertebrae.
d. Ribcage is a that occupies the chest region. It is made up of pairs of ribs that are attached to vertebrae at the back, curve around to form a cage.
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