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Did you know?

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

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

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

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Conduction of the action potential along an axon. Conduction of the action potential along an axon.
Allen Test: A patent ulnar artery reveals the return of palm perfusion despite radial artery compres Allen Test: A patent ulnar artery reveals the return of palm perfusion despite radial artery compres
Neuronal action potential. Neuronal action potential.
Different exposure codes for potential HIV infection. Different exposure codes for potential HIV infection.
Transmission of the action potential Transmission of the action potential
The Ames test for potential mutagenicity of chemical compounds The Ames test for potential mutagenicity of chemical compounds
Video: Mechanisms of capillary exchange

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