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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.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

The human oxygen-hemoglobin dissociation curve. The human oxygen-hemoglobin dissociation curve.
The Many Faces of Life (Part 2) The Many Faces of Life (Part 2)
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Bones of the axial skeleton. Bones of the axial skeleton.
Body Part, Method of Examination, and Equipment Used During the General Physical Examination Cont Body Part, Method of Examination, and Equipment Used During the General Physical Examination Cont
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Video: Premenstrual Syndrome

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