The human body contains over a billion miles of DNA.
				147
			
			Your heart will pump about 212 million liters in its lifetime.
				26
			
			Your body is creating and killing about 2.4 million red blood cells per second.
				17
			
			The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
				21
			
			The adult human brain weighs about 3 pounds (1,300-1,400 g).
				99
			
			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
			
			You see your nose at all times, your brain just chooses to ignore it.
				30
			
			
