Question

Write the components of

i) Axial Skeleton

ii) Appendicular Skeleton

Answer 1

i) The axial skeleton runs along the body’s central axis, therefore it is called the central core of the human body. The axial skeleton is composed of 80 bones and it consists of:

1. Skull Bone – It includes 8 cranial bones, 14 facial bones, 6 auditory ossicles, and the Hyoid Bone
2. The bone of the Thoracic Cage – It includes 25 bones of the thorax- a breastbone and 24 ribs.
3. The bone of the Vertebral column- It includes 24 vertebrae bones, the sacrum bone, and the coccyx bone.

ii) The appendicular skeleton is composed of 126 bones and it comprises of the-

1. Pelvic girdle
2. Upper Limbs
3. Lower Limbs
4. Shoulder Girdle or the Pectoral