|
|
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
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).