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Did you know?

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

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

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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

The Red-bearded Bee-eater Nyctyornis amictus is a large species of bee-eater found in the Indo-Malay The Red-bearded Bee-eater Nyctyornis amictus is a large species of bee-eater found in the Indo-Malay
Bovine Spongiform Encephalopathy and Creutzfeldt-Jakob Disease Bovine Spongiform Encephalopathy and Creutzfeldt-Jakob Disease
Risk Factors for Cardiovascular Disease Risk Factors for Cardiovascular Disease
SPE densitometry showing an M spike in the gamma region. SPE densitometry showing an M spike in the gamma region.
Apply oil or lotion to the entire leg. Include hip if performing massage to hip region as part of ... Apply oil or lotion to the entire leg. Include hip if performing massage to hip region as part of ...
Cancer cells can move to new locations in the body, a process called metastasis Cancer cells can move to new locations in the body, a process called metastasis
Video: Calvin cycle (The light-independent reactions )

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