The Skeletal System

What do cartilage and marrow have in common?

• They are connective tissue

• They are found at the ends of the bones

• They are both hard and strong.

Where can you feel cartilage?

• Your lips

• In your belly button

• Your finger and toe nails

• At the tip of your ear.

All joints move.

• True

• False

The adult human body has ______ bones.

• Under 100

• Around 150

• Around 200

• Around 250

Which type of marrow stores fat?

• Yellow

• Red

Which type of marrow produces blood cells?

• Yellow

• Red

• Marrow doesn't do that.

What does spongy bone look like?

• 
• 

The human skeletal system is an _____ skeleton because the bones are inside our bodies.

• Exoskeleton

• Endoskeleton

The joints in your knee are moveable.

• True

• False

The joints in your rib cage are moveable.

• True

• False