|
|
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
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?
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.