Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human brain is more active during sleep than during the day.
28
Your thumb is about the same size as your nose.
124
Mushrooms are more closely related to humans than they are to plants.
47
It takes approximately 12 hours for food to entirely digest.
93
Your fingernails grow faster in summer.
744
Our brains have a negativity bias and will remember bad memories more than good ones.
15