Bones and Skeleton

What is the outer surface of a bone called?

• Periosteum

• Compact bone

• Cancellous bone

• Bone marrow

Which part of a bone is smooth and very hard?

• Periosteum

• Compact bone

• Cancellous bone

• Bone marrow

What does cancellous bone look like?

• A sponge

• A membrane

• Smooth and hard

• Thick jelly

What is the function of bone marrow?

• Protects internal organs

• Allows movement

• Nourishes the bone

• Produces blood cells

What are baby bones made of?

• Periosteum

• Compact bone

• Cancellous bone

• Cartilage

What happens to cartilage as a child grows?

• It becomes bone

• It becomes muscle

• It disappears

• It becomes blood cells

At what age does the bone growth process complete?

• 5

• 15

• 25

• 35

How would you describe the strength and weight of the skeleton?

• Strong and heavy

• Weak and heavy

• Strong and light

• Weak and light

How many bones does an adult human body have?

• 100

• 150

• 200

• 206

What do bones give your body?

• Structure, movement, and protection

• Energy and nutrients

• Blood cells

• Flexibility