How many times a day does your heart beat?
25,000
115,000
300,000
55,000
How many muscles do we need to frown?
30
43
40
38
How heavy is the human brain?
800 grams
2 kg
1 kg
1.300 kg
How many teeth does an adult have?
32
26
28
30
How many times a minute do we breathe?
10 times
20 times
60 times
30 times
How fast can the sneeze travel?
10 meters per hour
50 meters per hour
150 meters per hour
100 meters per hour
How many times a day do we blink?
25,000
29,000
1000
27,000
Human teeth are as strong as shark teeth?
No
Yes
How many percent of our body is water?
60
80
50
70
How many hairs do we usually have?
100,000
50,000
150,000
200,000
How much a human heart weigh?
350 grams
300 grams
100 grams
280 grams
How many gigabytes can a brain hold?
1 million
100,000
500,000
2.5 million
How many bones are there in a human body?
106
306
206
206
How long would be all the veins put together into 1?
70,000 km
50 km
1000 km
96,000 km
How many muscles do we need to smile?
35
17
10
27