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