Human Skeleton and Muscles

Front

Number of bones in an adult human skeleton

Back

206

Front

Largest bone in the human body

Back

Femur

Front

Protects the brain

Back

Skull

Front

Part of the skeleton made of 24 bones that protects the heart and lungs

Back

Ribcage

Front

Bone in the upper arm

Back

Humerus

Front

Known as the collarbone

Back

Clavicle

Front

Connects bones to each other

Back

Ligaments

Front

Joints that allow for bending and straightening

Back

Hinge joints

Front

Joint that allows for movement in many directions

Back

Ball-and-socket joint

Front

Spine is also known as

Back

Vertebral column