The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.
Canvasback - female with ducklings
External female genitalia
Female Anatomy
Halos, Sun Dogs, and Sun Pillars
Life cycle of Giardia.
Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell