Within three days of death, the enzymes that once digested your food begin to eat you.
22
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
There are about 1,400 different species of bacteria in your belly button.
10
Your heart will pump about 212 million liters in its lifetime.
26
The human brain doesn't stop developing until about 25 years old.
102
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13