Amazing body facts

Which animal has more bones in its body, an elephant or a mouse?

• an elephant

• a mouse

• they both have the same number of bones

Who has more bones, a baby human or a grown-up?

• a baby

• a grown-up

• they both have the same number of bones

Which has the most teeth, a whale, a shark or a human?

(The biggest mammal in the world is a blue whale.)

• a human

• a shark

• a blue whale

Which grow more quickly, your fingernails or your toenails?

• your fingernails

• your toenails

• they both grow at the same speed

Do you use more muscles to smile or to frown?

• you use more muscles to smile

• you use more muscles to frown

• it takes the same number of muscles to smile or frown

which has more bones in its neck, a giraffe or a human?

• a giraffe

• a human

• they have the same number of neck bones