Question

In main the axial skeleton is made up of
(a) 80 bones (b) 100 bones
(c) 103 bones (d) 106 bones

Answer 1

In main the axial skeleton is made up of 80 bones.

• Option (a) is correct.
• The axial skeleton consists of 6 parts.
• the skull
• the ossicles  of middle ear
• the hyoid bone
• the rib cage
• sternum
• the vertebrae column
• Now,
• the skull (including the ossicles of middle ear and the hyoid bone) consists of 22 bones
• the rib cage (including sternum) consists of 25 bones
• the vertebrae  column consists of 24+5+4= 33 bones
• Hence the total of (22+25+33) = 80 bones.

Answer 2

The axial skeleton is made up of  80 bones.

Option (A) is correct.

Explanation:

The main axial skeleton forms the main axis.

It consists of skull,  vertebral column, vertebrae and sternum.

• Skull has 22 bones.
• vertebral column is made up of 33 Vertebrae.
• Sternum has 1 vertebrae and ribs consists of 24 vertebrae.

Thus the axial skeleton is made up of  80 bones.

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