Skeleton 2

What is the outer surface of the bone called?

• Bone marrow

• Calcium

• Periosteum

• Polymer

What is the jelly like centre of the bone called which produces blood cells?

• Cortical bone

• Bone marrow

• Polymer

• Calcium

What does osteoporosis do to our bones?

• Causes them to slowly vanish

• Decreases the strength and density of our bones

• Causes them to snap in half

• Decreases the amount of calcium in our bones

Osteoarthritis causes the breakdown of .............. that protects the ends of our bones.

How does the sunlight help keep our skeleton healthy?

Which are ways we can help keep our skeleton healthy?

• Wear protective equipment

• Drink plenty of coffee

• Include plenty of calcium in your diet

• Drink lots of milk

What is one function of the skeleton?