skeleton system

This is a picture of what? (choose the answer that is most complete)

• robot
• skeleton
• ulna
• vertebrate

Humans are made of many cells, or ____.

• Unicellular
• Multicellular

Humans have ______ bones in their bodies, on average.

• 106
• 201
• 206

The ribs protect your...

• heart
• lungs
• liver
• all of the above

The part of the bone that makes blood cells is...

• compact bone
• spongy bone
• marrow

The organ system that consists of bones, their associated cartilages, ligaments and joints. Provides protection, movement, produces red blood cells, and stores minerals.

• Circulatory System

• Respiratory System

• Skeletal System

• Digestive System

What are the jobs of the skeleton?

_{(Select all correct answers)}

• supports the body and give it shape

• makes red blood cells

• protects soft parts of the body

• store minerals

What two organs does the rib cage protect?

• heart

• lungs

• brain

• eyes

The bones work with the _______________ to make us move.

• stomach

• lungs

• muscles

• cartilage

The spine is made up of 26 _____________________.

• vertebrae

• ribs

• muscles

• nerves