How long is a person’s intestine?
Between 10 and 100 meters.
Between 3 and 10 meters.
Between 20 and 50 meters.
How many bones are in the foot of an adult human?
134
53
10
Who knows how many nerve cells there are in the brain?
Verybody knows.
Doctors know.
Nobody.
How many muscles does frowning use?
43
59
120
How much blood does an adult person have in their body?
About 5 liters.
About 15 liters.
About 10 liters.
How many liters of blood does the human heart pump in a normal persons lifetime?
3000 million liters
2 liters
182 million liters
How many muscles does a human body have?
About 600
About 400
About 200
How many years does it take to count how many nerve cells there are in the brain?
About 2 years
About 3.000 yeas
About 1 million years
How many bones are there in the adult body?
789
206
1256
How many liters of air can your lungs hold?
6 liters
10 liters
2 liters
How many kilos of dead skin will a person have shed by the time they turn 70?
100 kilos
2 kilos
500 kilos
How much does a human brain weigh?
About 1.3 kg
About 5.7 kg
About 2.5 kg
How many bacteria are there in a person’s mouth?
More than the people on the world
More than people in Bs As.
More than people in China.
How many muscles does laughing work?
17
24
67