The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
