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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.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.