Your thumb is about the same size as your nose.
124
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
You see your nose at all times, your brain just chooses to ignore it.
30
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Your body is creating and killing about 2.4 million red blood cells per second.
17