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Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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The average adult has about 21 square feet of skin.

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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Reb blood cells get caught up in the sticky web of a blood clot Reb blood cells get caught up in the sticky web of a blood clot
The functioning of the heart valves and blood flow. The functioning of the heart valves and blood flow.
ABO Blood Group ABO Blood Group
Sickled and normal red blood cells. Sickled and normal red blood cells.
The pH scale is logarithmic. A low pH indicates acidic conditions, whereas a high pH indicates ... The pH scale is logarithmic. A low pH indicates acidic conditions, whereas a high pH indicates ...
Blood pressure cuffs are available in various types and sizes for infants and children Blood pressure cuffs are available in various types and sizes for infants and children
Video: Genetic terms Animation

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