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Skeleton

Skeleton

Author: Aaron Mullally
Description:

This lesson will identify the structure and function of the appendicular skeleton.

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Tutorial

Axial vs. Appendicular Skeleton

Source: Images taken by Aaron Mullally

Terms to Know
Appendicular skeleton

The division of the skeletal system that includes the bones of the hips, shoulders and the limbs.

Axial Skeleton

​The division of the skeletal system that composes the body's vertical axis and includes the skull, backbone, ribs and sternum.

Skull

A part of the axial skeleton that acts to protect the brain.

Sternum

​A bone of the axial skeleton that serves as an attachment point on the front of the body for the ribs.

​Pectoral Girdle

​The bones associated with the upper part of the appendicular skeleton including the scapulas, clavicles and arms.

​Pelvic Girdle

​The bones associated with the lower part of the appendicular skeleton including the pelvis and legs.

​Ribs

Bones of the axial skeleton that attach to the sternum and backbone to compose a "cage" that protects internal organs.

​Vertebral Column

​A part of the axial skeleton that protects the spinal cord and gives shape and structure to the body.