Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The human body produces and destroys 15 million blood cells every second.

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