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Did you know?
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.