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10 questions
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- Multiple ChoicePlease save your changes before editing any questions.
How much skin does an adult on average have?
10 sq.ft
20 sq.ft
30 sq.ft
40 sq.ft
- Multiple ChoicePlease save your changes before editing any questions.
How much food can your stomach hold at one time?
1 pound
2 pound
3 pound
4 pound
- Multiple ChoicePlease save your changes before editing any questions.
How many neurons are in a human brain?
10 million
100 million
1 billion
100 billion
1 trillion
- Multiple ChoicePlease save your changes before editing any questions.
Nervous system signals are transmitted at what speed?
1 meter per second
10 meters per second
100 meters per second
1000 meters per second
- Multiple ChoicePlease save your changes before editing any questions.
How often do people blink their eyes on average?
1 time per second
10 times per minute
15 times per minute
20 times per minute
25 times per minute
- Multiple ChoicePlease save your changes before editing any questions.
People can detect how many different kind of smells?
1 thousand
1 million
1 billion
1 trillion
- Multiple ChoicePlease save your changes before editing any questions.
What is the largest organism on this planet?
a fungus
a jelly fish
a plant
an algae
- Multiple ChoicePlease save your changes before editing any questions.
How much DNA do humans share with a banana?
20%
40%
60%
80%
100%
- Multiple ChoicePlease save your changes before editing any questions.
How many times per day can a woodpecker peck?
4,000
8,000
12,000
16,000
- Multiple ChoicePlease save your changes before editing any questions.
How many different color variations can our eyes detect?
10,0000
1 million
10 million
100 million
1 billion