|
|
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.