Welcome to the Visible Body Learn Site

The skeletal system is composed of 206 bones, cartilage, and ligaments

Top 10 Facts about the Skeleton: An Overview of the Skeletal System

What does the skeletal system do? At the simplest level, the skeleton is the framework that provides structure to the rest of the body and facilitates movement. It includes over 200 bones, cartilage, and ligaments.

Read post

Bones come in 5 different shapes and functions

The Long and the Short of It: The Five Types of Bones

Bones are categorized by their shape and function into five groups:

Read Post

The axial skeleton is composed of the bones in the vertebra, thorax, skull and larynx

Axial Skeleton: Bones That Form the Axial Skeleton

The axial skeleton includes all the bones that form bony structures along the body's long axis:

Read Post

The appendicular skeleton is made up of the shoulder and pelvis, as well as the arm and legs

Appendicular Skeleton: Hips, Shoulders, Arms, and Legs

The bones of the appendicular skeleton are for structures that append to the axial skeleton:

Read Post

Joints can be named for their motion type, or their composition

Joints: Bones Come Together: Types of Joints in the Human Body

Joints of the skeletal system can be categorized by range of motion:

Joints of the skeletal system can also be categorized by their structure:

Read Post

The pathologies described below can occur when stress and aging affect the skeletal system.

Skeletal Pathologies: Common Conditions of the Human Skeleton

Read Post