Skeleton System

Where can you find the periosteum?

• On the outermost portion of your bones

• In the innermost portion of your bones

• Between the layers of spongy bone

• In the hollows of your bones

2. Which term best describes compact bone?

• Spongy

• Flexible

• Rigid

• Liquid

3. What fills the hollow of most bones?

• Bone blood

• Bone marrow

• Spongy Bone

• Compact Bone

What advantage do we gain from the fact that bones are hollow?

• We can move around easily

• Our bones don't fracture easily

• Our bones can make marrow easily

• Our internal organs receive more support

What is the main function of bone marrow?

• Supporting internal organs

• Keeping the spine straight

• Storing minerals

• Producing blood cells

What does the cartilage between bones do?

• Allows the nerves in adjacent bones to communicate with one another

• Provides padding and protection against wear and tear

• Prevents bones from overheating

• Prevents bones from becoming too rigid

What can you infer from the fact that babies have more bones than adults?

• Most adults suffer from bone loss

• Teenagers also have more bones than adults

• Babies shed some of their bones as they grow

• Some of babies' bones fuse together as they grow

What do tendons do?

• Attach skin to bones

• Attach muscles to bones

• Provide support for internal organs

• Attach bones to other bones

The spine is made up of little ring-shaped bones called:

• Vertebrates

• Verdigris

• Vertigo

• Vertebrae

What might happen if your spine were perfectly straight?

• Walking would be extremely uncomfortable

• Sitting would be extremely uncomfortable

• Lying down would be extremely uncomfortable

• Standing upright would be extremely uncomfortable