Bill Nye: Bones and Muscles

What are bones made of?

• Cartilage

• Periosteum

• Compact bone

• Spongy bone

What is the purpose of the perisoteum?

• To protect the spinal cord

• To distribute pressure under the foot

• To hold the bones together

• To make bones flexible

How many bones do humans have at birth?

• 350

• 200

• 400

• 33

What is the purpose of joints in our body?

• To connect bones to muscles

• To distribute pressure under the foot

• To protect the spinal cord

• To make bones flexible

What is the purpose of the spinal column?

• To protect the spinal cord

• To distribute pressure under the foot

• To hold the bones together

• To make bones flexible

What is the purpose of the compact bone?

• To protect the spinal cord

• To distribute pressure under the foot

• To hold the bones together

• To make bones flexible

What is the purpose of the spongy bone?

• To protect the spinal cord

• To distribute pressure under the foot

• To hold the bones together

• To make bones flexible

What happens when bones are connected to muscles?

• They become flexible

• They become stronger

• They can move together

• They can distribute pressure

What is the purpose of calcium in our bones?

• To protect the spinal cord

• To distribute pressure under the foot

• To hold the bones together

• To make bones strong

What is the purpose of joints in our body?

• To connect bones to muscles

• To distribute pressure under the foot

• To protect the spinal cord

• To make bones flexible