Pop Quiz!

How would you draw a human heart?

How much blood passes through an adult heart each time it beats?

• 50ml

• 70ml

• 80ml

• 120ml

How long are all the blood vessels in the body if you put them all in a line?

• 2km

• 500km

• 96,000km

• 70,000km

What percentage of the oxygen we breathe in do the lungs absorb? 

• 27%

• 49%

• 30%

• 15%

How would you draw a human brain?

How many cells are in the human brain?

• 86 billion

• 50 million

• 26 million

• 10 billion

What percentage of the brain do we use? 

• 100%

• 10%

• 60%

• 80%

How would you draw a human skeleton?

How many bones are there in an adult body?

• 250

• 306

• 206

• 180

How far does food travel through the body?

• 2 meters

• 5 meters

• 1 meter

• 9 meters