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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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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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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Motor proteins and their interactions with cytoskeletal filaments. Motor proteins and their interactions with cytoskeletal filaments.
Different types of membrane proteins. Different types of membrane proteins.
Attachment of transmembrane proteins to the cytoskeleton and extracellular matrix of an animal cell. Attachment of transmembrane proteins to the cytoskeleton and extracellular matrix of an animal cell.
Buck and Axel identified olfactory receptor proteins in olfactory receptor cells. Buck and Axel identified olfactory receptor proteins in olfactory receptor cells.
Substance Use Terminology Substance Use Terminology
(a) In a healthy eye, aqueous humor is formed in the ciliary process and drains through the canal of ... (a) In a healthy eye, aqueous humor is formed in the ciliary process and drains through the canal of ...
Video: Resting membrane potential - electrical polarity and maintenance requirements

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