BGE Human Body

How many muscles do you use to smile?

• 10

• 17

• 25

• 52

How many muscles do you use to frown?

• 10

• 23

• 43

• 84

How many muscles are there in your tongue?

• 2

• 4

• 6

• 8

Where are red blood cells made in your body?

• Brain

• Kidneys

• Liver

• Bone marrow

What is the longest bone in your body?

• Spine

• Femur (thigh bone)

• Radius (lower arm bone)

• Humerus (upper arm bone)

Answer explanation

If you chose spine, this is made of lots of smaller bones linked together

Where is the hardest bone in your body?

• Leg

• Feet

• Knees

• Inner ear

How much saliva do we roughly produce in our mouths every day?

• 500ml

• 1000ml

• 1500ml

• 2500ml

Answer explanation

1500ml is 1.5 litres - a LOT!

95% of animals have these...

• Eyes

• Ears

• Knees

• Teeth

What is the coloured part of your eye called?

• Pupil

• Cornea

• Conjunctiva

• Iris

How many times bigger is the human brain compared to other mammals that are of similar body size?

• 2

• 3

• 4

• 5