Amazing Facts About the Human Body

Question 1

__________ are the only part of the human body which cannot heal themselves.

Accepted Answer

Teeth

Question 2

The only part of the body that has no blood supply is the __________.

Accepted Answer

cornea

Question 3

When you blush, your __________ also turns red.

Accepted Answer

stomach

Question 4

The average four-year-old child asks __________ questions a day.

Accepted Answer

450

Question 5

_________ of bacteria can result in the human body becoming ill.

Accepted Answer

1%

Question 6

Nerve impulses sent from the brain move at a speed of __________.

Accepted Answer

274 km/h

Question 7

Fingernails grow about __________ faster than your toenails.

Accepted Answer

four times

Question 8

About two thirds of people __________ when kissing.

Accepted Answer

tilt their head to the right

Question 9

The average person forgets __________ of their dreams.

Accepted Answer

90%

Question 10

__________ cells in your body died and were replaced by new ones while you were reading this.

Accepted Answer

50,000

Question 11

The total weight of the bacteria in the human body is __________.

Accepted Answer

2 kg

Question 12

The facial hair of a __________ man grows faster than that of a man with dark hair.

Accepted Answer

blonde-haired

Question 13

A newborn child can breathe and swallow at the same time for up to __________.

Accepted Answer

seven months

Question 14

We lose __________ of our body heat from the head.

Accepted Answer

80%

Question 15

During their lifetime, a person will on average accidentally swallow eight __________.

Accepted Answer

small spiders

Question 16

The average human body contains enough carbon to make __________ pencils.

Accepted Answer

900

Question 17

At birth, a child’s body is made up of around 300 bones. But an adult has __________.

Accepted Answer

206

Question 18

The total length of all the blood vessels in the human body is about __________.

Accepted Answer

100,000 km

Question 19

Right-handed people live, on average, __________ longer than left-handed people.

Accepted Answer

nine years

Question 20

The human heart pumps __________ of blood during the average lifetime.

Accepted Answer

182 million litres

Questions 20