Ask unlimited questions for free
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
For a complete list of videos, visit our video library