There are 60,000 miles of blood vessels in every adult human.
Did you know?
Your heart beats over 36 million times a year.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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There are more bacteria in your mouth than there are people in the world.
The eye. Lateral view of a sectioned eyeball in its socket.
Medial and lateral directions
Growth cones. The cytoplasmic fingers (the filopodia) of growth cones seem to grope for the correct ...