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Did you know?

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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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

The movement of a bolus of food from the mouth to the stomach via the esophagus. The movement of a bolus of food from the mouth to the stomach via the esophagus.
An agglutination inhibition reaction. Commercial kit materials would create an agglutination ... An agglutination inhibition reaction. Commercial kit materials would create an agglutination ...
To broaden and lift the quadriceps muscles, place the heels of the hands together directly on top of ... To broaden and lift the quadriceps muscles, place the heels of the hands together directly on top of ...
Effleurage hand over hand along spinal muscles. Stand at the side directly facing the table and ... Effleurage hand over hand along spinal muscles. Stand at the side directly facing the table and ...
Anatomy of the Stomach Anatomy of the Stomach
Gastric Glands and Cell Types in the Stomach Gastric Glands and Cell Types in the Stomach
Video: Simple Diffusion - gases and nonpolar compounds transport

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