« previous next »
« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Time course and phases of a nerve cell going from resting potential to action potential Time course and phases of a nerve cell going from resting potential to action potential
Eye movements with muscle and nerve coordination Eye movements with muscle and nerve coordination
Nerve meets muscle Nerve meets muscle
First-order sensory neuron with encapsulated nerve endings First-order sensory neuron with encapsulated nerve endings
Components of the vestibulocochlear (VIII) nerve Components of the vestibulocochlear (VIII) nerve
Video: Structure of a Ribosome

For a complete list of videos, visit our video library