When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Held in farts enter your bloodstream and are bad for your body.
26
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Your heart will pump about 212 million liters in its lifetime.
26