Babies are born with 300 bones in their body.  As they grow older many of these bones fuse together.  How many bones do they have when they reach adulthood?

• 156
• 206
• 256

The longest bone in the human body is called the femur. It measures one quarter of your height!  Where is it?  

• The back
• The arm
• The leg

The smallest bone in your body is in the ear and was named because it looks like something you might find on a horse. What is it?

• The stirrup bone
• The saddle bone
• The nosebag bone

The skull is very important as it protects the brain.  And where would we be without a brain? Don’t answer that! What is the only bone in your head that can move?

• Forehead
• Upper jawbone
• Lower jawbone

Like they say – drink your milk! Lack of exercise, poor diet and hormonal and genetic factors can all affect bone strength and contribute to bone thinning.  What is this condition called?

• Rickets
• Osteoporosis
• Osteoarthritis

Bone marrow is a spongy material that fills some of the bones and produces the cells (called stem cells), which develop into the three different types of blood cells.  Which type of blood cells are responsible for fighting infection?

• Red blood cells
• Platelets
• White blood cells

A worm has a water skeleton. The worm uses its muscles to squeeze and relax compartments of fluid and this causes a peristaltic motion.  Water is very dense and can provide a lot of support.  What is the name for this type of skeleton?

• endoskeleton
• hydrostatic skeleton
• exoskeleton

There are four types of joint in the human body. Some types enable more movement than others.  Arms and legs can rotate fairly freely at the shoulder and hip.  What are these types of joints known as?

• Ball and socket
• Marrowbone and cleaver
• Frog and nightgown

Humans have the same number of bones in their neck as which animal?

• Horse
• Panda
• Giraffe

Did you know that sharks have no bones? Their skeleton is made of a different material which is lighter and more bendy than bone.  What is it?

• Rubber
• Cartilage
• Shell