Science 6 - Skeletal and Muscular System

This It gives the body structure support and shape. It also holds the body as one and allows it to move.

• digestive system

• respiratory system

• skeletal system

• muscular system

An average human has __________ bones.

• 101

• 206

• 300

• 426

It is the longest and strongest bone in the human body.

• spine

• humerus

• clavicle

• femur

It is composed of the skull, backbone, breastbone and ribs.

• appendicular skeleton

• axial skeleton

• smooth skeleton

• involuntary skeleton

Collarbones are also known as _____________.

• scapula

• ulna

• radius

• clavicles

It connects a bone to another bone.

• ligaments

• tendons

• cartilage

• muscles

These joints enable bones to move freely in all directions (ex. shoulders and hips).

• gliding joints

• ball-and-socket joints

• saddle joints

• hinge joints

It connects muscle to a bone.

• tendons

• cartilage

• muscle

• ligaments

It is a skeletal disorder wherein a person has an abnormal curvature of the spine.

• rickets

• fracture

• arthritis

• scoliosis

It is a skeletal disorder when bones become brittle, weak, and thin. It commonly occurs to older people because the ability of the body to absorb calcium lessens with age.

• sprain

• dislocation

• osteoporosis

• scoliosis