right upper quadrant, left upper quadrant, right lower quadrant, left lower quadrant
About 9 regions describing locations in the abdominal and pubic areas of the body.Left and Right hypochondrica and epigastric, left and right lumbar and umbilical, left and right illiac and hypgastric
standard position in which the body is facing forward, feet are parallel, and the arms are at the sides with palms facing forward
includes the stomach, spleen, liver, pancreas, small intestine, most of large intestine, kidneys and ureters.
this determines the next action in a feedback system by sending output to an effector (brain)
metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes
negative feedback loop
Situation in which a change in a certain direction provides information that causes a system to change less in that direction. Compare positive feedback loop.
positive feedback loop
Situation in which a change in a certain direction provides information that causes a system to change further in the same direction. Compare negative feedback loop.
in that a law is an analytic statement, usually with an empirically determined constant. A theory may contain a set of laws, or a theory may be implied from an empirically determined law.
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart