Human body

If your blood vessels were laid out, how long would they measure?

• Around the globe at least 2 times
• From north of Sweden to south of Spain
• Across Russia
• All along Sweden

The introduction of color television decreased the number of people doing what?

• Having black and white dreams
• Seeing
• Being color blind
• Suffering from televisiophobia

How much saliva does a person produce in a year?

• Enough to fill up a normal sized bathtub
• Enough to fill up a small (but not too small) swimming pool
• Enough to fill up a carton of milk
• Enough to fill up a regular sized bucket

How many times does your heart beat in 24 hours?

• 100 000
• 50 000
• 10 000
• 200 000

What's the expected life span of an eye lash

• 150 days
• 10 days
• A year
• You have the same eyelashes all through life

What is the only part of your body to get oxygen directly from the air rather than from your blood

• The cornea of your eye
• Your ears
• Your nails
• Your teeth

What other part of the body has a unique print other than the hands, feet and teeth?

• Tongue
• Eyes
• Nose
• Knees

Between birth and death, the human body goes from having ... bones, to ...

• From 300 to 206
• From 112 to 206
• From 206 to 182
• From 206 to 312

In camera terms, the human eye is about ... megapixels, which is about 5 times the resolution of a Samsung Galaxy S21 Ultra

• 576
• 1025
• 208
• 112

Which part of the body loses the most heat?

• Head
• Hands
• Feet
• Legs