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Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Sexual dimorphism in body size and mating system. Sexual dimorphism in body size and mating system.
Sun size comparison Sun size comparison
Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to
Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr
Assembling Cakes (5 of 6) Assembling Cakes (5 of 6)
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Stroke volume

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