Understanding Bones

What is the hard material that forms the skeleton in people and other animals with backbones called?

• Muscles

• Bones

• Ligaments

• Skin

What do bones protect in the human body?

• Heart and lungs

• Stomach and intestines

• Brain and eyes

• Skin and muscles

What are the places where bones meet called?

• Ligaments

• Joints

• Muscles

• Tendons

What holds bones together at the joints?

• Muscles

• Tendons

• Ligaments

• Skin

What is inside the hard outer covering at the ends of long bones?

• Solid bone

• Liquid marrow

• Lighter kind of bone with small holes

• Cartilage

What are the strong bands that hold bones together at most joints called?

• Tendons

• Ligaments

• Cartilage

• Muscles

What do bones also help us with besides giving shape to our body?

• Breathing

• Digestion

• Protecting organs

• Circulation

What is the material that forms the skeleton in people and other animals with backbones?

• Cartilage

• Bones

• Muscles

• Skin

According to the article, people can bring calcium into their bodies by

• eating fruit.

• drinking milk.

• eating bread.

• drinking juice.

What is the main mineral that helps keep bones strong?

• Iron

• Calcium

• Potassium

• Sodium