The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The human brain is more active during sleep than during the day.
28
Obsessive nose picking is called Rhinotillexomania.
101
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Your fingernails grow faster in summer.
744
Tigers can see 6 times better at night than humans.
305
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161