Examlex
Most C fibers produce a pain enhancer called substance P that stimulates free nerve endings at the site of the injury and also increases pain messages within the spinal cord.
Q47: When psychologists refer to the visible spectrum,
Q141: Morphine and other opiate painkillers are effective
Q151: According to the _ different sleep patterns
Q188: How does alcohol affect the body and
Q228: The process by which the lens changes
Q243: The vast majority of people who are
Q266: Rods and cones are the:<br>A) sensory receptor
Q357: Most _ produce substance P.<br>A) olfactory receptors<br>B)
Q375: The smallest possible stimulus that can be
Q467: People in industrialized societies are far more