Question

Pectoral girdle - Pelvic girdle, (Differentiate)

Answer 1

Pectoral and pelvic girdle help in the articulation of upper and lower limbs respectively. 

Answer 2

Pectoral girdle and Pelvic girdle:

• Pectoral girdle is present in shoulder region and thorax region, whereas pelvic girdle is present in lower abdomen.
• Pectoral girdle is composed of "two bones *2 = 4 bones", where the names are two scapulae and two clavicles. Whereas pelvic girdle is formed of "three bones *2=6 bones" namely ilium ischium and pubis.
• Pectoral girdle gives attachment to humerus whereas, pelvic girdle gives rise to femur.
• Pectoral girdle attaches with thoracic and upper limb muscles whereas pelvic girdle gives attachment to lower abdominal and lower limb muscles.