The Skeleton

What is the purpose of the skeleton?

• To hold up the body

• To protect the organs

• To help us move

• All of the above.

How many bones are in an adult human skeleton?

• 100

• 206

• 300

• 500

Why do babies have more bones than adults?

• Because they are smaller.

• Because their bones are not fully developed.

• Because their bones fuse together as they grow.

• Because they have more organs to protect.

Which bone protects the brain?

• Skull

• Ribs

• Back bone

• Arm bone

Which bones protect the lungs and the heart?

• Skull

• Ribs

• Back bone

• Arm bone

What is the main function of the ribs?

• To protect the lungs.

• To protect the heart.

• To support the body.

• To help us move.

What is the main function of the back bone?

• To protect the brain.

• To protect the lungs.

• To support the body.

• To help us move.

How does the skeleton keep us upright?

• By providing a strong structure.

• By keeping the brain balanced.

• By supporting the weight of the body.

• By allowing us to stand on two feet.

What are some ways the skeleton helps us move?

• By providing a framework.

• By contracting and relaxing muscles.

• By allowing joints to bend and straighten.

• All of the above.

Which of the following is NOT a function of the skeleton?

• Protecting organs

• Supporting the body

• Helping us see

• Helping us move