Personality Quizzes
Amazing quizzes from around the world

How Well Do You Know Your Body?

Think you know yourself? Let's see what do you know about the human body.
Start
Question 1 of 20

When is your brain most active?

During the day
During the night

Why do we yawn when we're tired

To increase oxygen consumption
To stretch the jaw muscles
It's psychological

Where is the smallest bone in your body?

Ear
Toe

Which organ is vital?

Pancreas
Kidney

What is the total length of your hair during your entire life?

130 feet
50 feet

What is the longest part of your body?

Leg
Small intestine
Spine

Whats the function of your spleen?

Immune system
Pigmentation
Secreting insulin
Digestion

What is the most common blood type?

O
AB

How many muscles are there in your body?

1,100
650

Which carries oxygen to the cells?

Red blood cells
White blood cells

An average brain weighs

3 pounds
5.5 pounds

Who on average has more hair?

Blondes
Redheads
Brunettes
Unrelated to hair color

How much of your body is water

around 60%
around 40%

How much saliva the body makes in a day?

1 Liter
0.5 Liters

Who has a stronger sense of smell?

Men
Women

Which part has a quarter of the total number of bones in your body?

Hands
Feet

Why are our lips red?

Because of thin skin
Large amount of blood vessels

How much is an average heart weighs?

1.5 pounds
0.7 pounds
4 pounds
It depends. If you have a stone heart it could weigh a ton.

Which is bigger

Number of germs in our mouth
Number of people on earth

Which part remains the same size from birth?

Eye
Spleen
Heart
 
 
 
 
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