|
|
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.