1. Tardigrade
  2. Question
  3. Biology
  4. Select the option which describes the correct matching between bones and examples mentioned below: I. Skull bones: Facial bone, cranial bones and hyoid II. Axial bones: Sternum, ribs and clavicle III. Long bones: Humerus and femur IV. Girdle: Scapula and coxal

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Q. Select the option which describes the correct matching between bones and examples mentioned below:
I. Skull bones: Facial bone, cranial bones and hyoid
II. Axial bones: Sternum, ribs and clavicle
III. Long bones: Humerus and femur
IV. Girdle: Scapula and coxal

NTA AbhyasNTA Abhyas 2020Locomotion and Movement

Solution:

Axial skeleton comprises 80 bones distributed along the main axis of the body. The skull, vertebral column, sternum and ribs constitute axial skeleton. The skull is composed of two sets of bones cranial and facial, that totals to 22 bones. Cranial bones are 8 in number. They form the hard protective outer covering, cranium for the brain. The facial region is made up of 14 skeletal elements which form the front part of the skull. A single U-shaped bone called hyoid is present at the base of the buccal cavity and it is also included in the skull.
Each half of pectoral girdle consists of a clavicle and a scapula. Pelvic girdle consists of two coxal bones. Each coxal bone is formed by the fusion of three bones - ilium, ischium and pubis.
Long bones are humerus, femur, tibia, fibula, radius and ulna.