the contraction of muscles
51Gastrointestinal tract — Digestive system diagram The digestive tract (also known as the alimentary canal) is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste. The major… …
52NeuroSky — NeuroSky, Inc. Type Private Founded San Jose, California Founder Stanly Yang KooHyoung Lee …
53Lung (Tibetan Buddhism) — Lung (Tibetan: rlung ) is a word that means wind or breath. It is a key concept in the Vajrayana traditions of Tibetan Buddhism and as such is part of the symbolic twilight language , used to non conceptually point to a variety of meanings. Lung… …
54release — [[t]rɪli͟ːs[/t]] ♦ releases, releasing, released 1) VERB: usu passive If a person or animal is released from somewhere where they have been locked up or looked after, they are set free or allowed to go. [be V ed from n] He was released from… …
55Neuromusculoskeletal — The neuromusculoskeletal system refers to the structures, functions and interactions between the nervous system, muscles and the skeleton. Also known as the musculoskeletal or locomotor system) is an organ system that gives animals (including… …
56Human sexual response cycle — The human sexual response cycle is a four stage model of physiological responses during sexual stimulation.[1] These phases, in order of their occurrence, are the excitement phase, plateau phase, orgasmic phase, and resolution phase.[2] The term… …
57Parasympathetic nervous system — The parasympathetic nervous system (PSNS) is a division of the autonomic nervous system (ANS), along with the sympathetic nervous system (SNS) and enteric nervous system (ENS or bowels NS ). The ANS is a subdivision of the peripheral nervous… …
58Caridoid escape reaction — The Caridoid Escape Reaction, also known as lobstering or tail flipping, refers to an innate escape mechanism in marine and freshwater crustaceans such as lobsters , krill, shrimp, and crayfish. It has been most extensively researched in crayfish …
59All-or-none law — The all or none law is the principle that the strength by which a nerve or muscle fiber responds to a stimulus is not dependent on the strength of the stimulus. If the stimulus is any strength above threshold, the nerve or muscle fiber will… …
60Urethral sphincter — The term urethral sphincter refers to one of two muscles used to control the exit of urine in the urinary bladder through the urethra. The two muscles are the external urethral sphincter and the internal urethral sphincter. When either of these… …
