NEET BIOLOGY

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: -In humans, there are a total of 206 bones and broadly these can be divided into two namely axial skeleton and appendicular skeleton. Bones of the axial skeleton are distributed mainly along the main axis or long axis of the human body.

Detailed explanation-3: -The adult human skeleton is composed of 80% cortical bone and 20% trabecular bone overall (3). Different bones and skeletal sites within bones have different ratios of cortical to trabecular bone. The vertebra is composed of cortical to trabecular bone in a ratio of 25:75.

Detailed explanation-4: -SEER Training: Axial Skeleton (80 bones)

Detailed explanation-5: -The 80 bones of the axial skeleton form the vertical axis of the body. They include the bones of the head, vertebral column, ribs and breastbone or sternum. The appendicular skeleton consists of 126 bones and includes the free appendages and their attachments to the axial skeleton.