|
|
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
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?
In 1864, the first barbiturate (barbituric acid) was synthesized.