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The Human Body Quiz
The Human Body Quiz
A quiz about the human body
by Daniel Pascariu
Last modified:
taken 240 times
1.  How many cells does an adult person have ?
10 million cells
10 billion cells
10 trillion cells
2.  How long is the human digestive system ?
3 metres
6 metres
9 metres
3.  How long does the digestige process take in a healthy human adult ?
less than 24 hours
between 24 and 72 hours
more than 72 hours
4.  How much blood does an average adult have ?
2.7 to 3.7 liters
3.7 to 4.7 liters
4.7 to 5.7 liters
5.  How many distinct bones does an adult human have ?
26
106
206
6.  How long would be all the blood vessels in an average human body laid end to end ?
1,000 kilometers
10,000 kilometers
100,000 kilometers
7.  The human brain has been estimated to contain
50-100 thousand neurons
50-100 million neurons
50-100 billion neurons
8.  What is the largest organ of the human body ?
skin
brain
heart
9.  Estimates place the number of individual bacteria on the surface of one square inch (6.5 square cm) of human skin at
5 thousand
5 million
50 million
10.  During an average lifespan the average human heart, beating at 72 beats per minute, will beat approximately
1 million times
2.5 million times
2.5 billion times
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Quiz Reference:
More info about the Human Body on Wikipedia