Ask unlimited questions for free
Your heart beats over 36 million times a year.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
The human body produces and destroys 15 million blood cells every second.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
For a complete list of videos, visit our video library