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Did you know?

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

Did you know?

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

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

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Video: Fetal Development of the Cardiovascular System

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