Which of these is pan of the appendicular skeleton?
a. cranium c. clavicle e. vertebra
b. ribs d. sernum

Introduction:
The human skeleton is categorized into two parts the appendicular and axial skeleton. Both of these parts work together to facilitate locomotion in an organism. The axial skeleton present in the central part of the body while the appendicular skeleton is made bones of limbs and girdles.
Answer to Problem 1RAC
The correct answer is option (c) clavicle.
Explanation of Solution
Explanation/justification for the correct answer:
Option(c) clavicle. The appendicular skeleton comprises of bones of the upper limb, lower limb and girdles. Girdle divides into two zones: pectoral girdle and pelvic girdle. The pectoral girdle is made up of two bones clavicle and scapula. They are connected to the upper limb. So, the correct answer is option (c).
Explanation for incorrect answer:
Option (a) cranium. They are the cranial bones and protect the brain. The axial skeleton consists of the central, vertical part of the body and consists of all the bones of the skulls, auditory ossicles, hyoid bones, thoracic cage and vertebral column. So, this is an incorrect option.
Option (b) ribs. The axial skeleton comprises of the thoracic cage. The thoracic cage is divided into sternum and ribs. So, this is an incorrect option.
Option(d) vertebra. The axial skeleton comprises of vertebra column. They are divided into thoracic vertebrae, coccyx. cervical vertebrae, sacrum, and lumbar vertebrae. So, this is an incorrect option.
Option (e) sternum. The axial skeleton comprises of the thoracic cage. The thoracic cage is divided into sternum and ribs. So, this is an incorrect option.
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