Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Your thumb is about the same size as your nose.
124
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
A human being loses an average of 40 to 100 strands of hair a day.
133
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
You see your nose at all times, your brain just chooses to ignore it.
30