Question

Which are the main bones of skeleton system? (page 91)

Answer 1

Explanation:

skull,spine ,chest and arm

Answer 2

Answer:

The skeletal system in an adult body is made up of 206 individual bones.

Explanation:

Skeletal System

An adult body is made up of 206 bones. These bones are arranged into two major divisions:

(1) The axial skeleton

(2) The appendicular skeleton

The axial skeleton- The axial skeleton is made up of 80 bones and runs along the body’s mid line axis and the following regions are :

(a) Skull

(b) Hyoid

(c) Auditory ossicles

(d) Ribs

(e) Sternum

(f) Vertebral column

The appendicular skeleton- The appendicular skeleton is made up of 126 bones and  the following regions are:

(a) Upper limbs

(b) Lower limbs