The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The human brain is more active during sleep than during the day.
28
It takes about 20 seconds for a red blood cell to circle the whole body.
102
There are about 255 babies born worldwide every minute.
46
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89