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Did you know?
Your heart beats over 36 million times a year.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
There are 60,000 miles of blood vessels in every adult human.