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Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.