Poor eyesight (myopia) is associated with higher IQ.
232
The human eye blinks an average of 4,200,000 times a year.
233
Your heart will pump about 212 million liters in its lifetime.
26
Your fingernails grow faster in summer.
744
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Enamel is hardest substance in the human body.
61