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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?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.