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Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Furchgott's discovery that endothelial cells produce a vasodilating substance. Furchgott's discovery that endothelial cells produce a vasodilating substance.
Invasion and metastasis by cancer cells Invasion and metastasis by cancer cells
Red Blood Cells Red Blood Cells
White Blood Cells Involved in Immune Response White Blood Cells Involved in Immune Response
The blood cells are shown in (a)–(f) and the tissue white blood cells are shown in (g), (h), and ... The blood cells are shown in (a)–(f) and the tissue white blood cells are shown in (g), (h), and ...
Video: Kidney Stones

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