Which is the largest organ in the human body?
Heart
Skin
Liver
How many bones does an adult human body have?
106
206
306
Where are the smallest bones in the human body?
In the nose
In the ear
In the hand
What percentage of the human body is water?
80%
60%
30%
How many times does a human heart beat per day (average)?
10,000
100,000
1,000,000
Which part of your body has the most bones?
Back
Hand
Foot
Which body part can heal itself completely?
Nail
Liver
Hair
Which body part has unique prints, like fingerprints?
Tongue
Nose
Ears
How many muscles do you use to smile?
17
10
22
Which body part has no blood supply and takes oxygen from the air?
Skin
Hair
Eyes
