If you are cold you are more likely to be hungry because you use energy to keep warm.
143
There are about 1,400 different species of bacteria in your belly button.
10
A human being loses an average of 40 to 100 strands of hair a day.
133
There's 100 trillion good bacteria living in your body.
17
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
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