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Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Wisdom teeth X-ray Wisdom teeth X-ray
Upper canine and lower canine. Upper canine and lower canine.
Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
(a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko (a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko
The Neandertal skull and teeth. The Neandertal skull and teeth.
teeth diagram teeth diagram
Video: What is an ecosystem?

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