EVERYDAY SCIENCE

Detailed explanation-1: -Your axial skeleton is made up of the 80 bones within the central core of your body. This includes bones in your skull (cranial and facial bones ), ears, neck, back (vertebrae, sacrum and tailbone) and ribcage (sternum and ribs).

Detailed explanation-2: -The axial skeleton includes the bones that form the skull, laryngeal skeleton, vertebral column, and thoracic cage. The bones of the appendicular skeleton (the limbs and girdles) “append” to the axial skeleton.

Detailed explanation-3: -Hip bone does not belong to the axial skeleton.

Detailed explanation-4: -The skeleton is subdivided into two major divisions-the axial and appendicular. The axial skeleton forms the vertical, central axis of the body and includes all bones of the head, neck, chest, and back (Figure 7.2).

Detailed explanation-5: -The skull, which contains 22 bones, from which 8 are cranial and 14 are facial, 6 middle ear ossicles (3 in each ear), 1 hyoid bone in the neck, 26 bones of vertebral column, 1 chest bone (sternum), and. 24 ribs (12 pairs).