- Human foot has 26 bones in it.
- Human foot is the most common body part bitten by insects.
- Human has fewer muscles than a caterpillar.
- Human has over 600 muscles.
- Human head contains 22 bones.
- Human liver has over 500 functions.
- Human most active muscles are in eye.
- Human mouth produces 1 litre of saliva a day.
- Human normal body temperature is 37C (99F).
- Human right lung takes in more air than left.
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