Eyes
Ears
Smelling
Brain
Body
100

The most common eye colour?

Brown

100

What do ears also help us do other than hear?

Keep balance

100

What gender has better sense of smell?

Female

100

What age is the human brain fully developed?

At the age of 25

100

Which parts of your body continue to grow throughout your life?

Ears and nose

200

In what gender is colorblindness more common?

Males

200

How low sound waves can we hear? (Hz)

20Hz

200

How many times is your sense of smell better than your sense of taste?

Around 10 000 times more sensitive

200

How heavy is the human brain?

About 1,5kg

200

How many times a minute does a healthy adult heart beat?

About 75 times

300

What is the only organ that is more complex than the eyes?

The brain

300

What ear do we hear music better from?

The left ear

300

How many scents can human detect?

At least 1 trillion

300

How many miles of blood vessels do we have in our brains?

100,000 miles

300

How large is the surface area of adult lungs? (square meters)

around 70 square meters

400

How many times is it possible to blink in a second

5 times

400

What does ear wax protect us from?

Dust and dirt

400

What emotions can you smell?

Fear and disgust

400

What gender has 10% bigger brain?

Male

400

What body part do humans have that other animals do not?

Chin

500

How many things do your eyes focus on a second?

50 different things

500

What are the smallest bones of your body called that are found in your ears?

Ossicles

500

What part of the day is your sense of smell the weakest?

Morning

500

How long is the average brain?

15cm

500

On average how many swimming pools can you fill with the saliva that a person produces in lifetime?

2 swimming pools

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