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3 de jun. de 2024 · Nervous systems are of two general types, diffuse and centralized. In the diffuse type of system, found in lower invertebrates, there is no brain, and neurons are distributed throughout the organism in a netlike pattern.In the centralized systems of higher invertebrates and vertebrates, a portion of the nervous system has a dominant role in coordinating information and directing responses.
10 de feb. de 2021 · Definition. The nervous system maintains internal order within the body by coordinating the activities of muscles and organs, receives input from sense organs, trigger reactions, generating learning and understanding, and providing protection from danger. This is primarily conducted through electrochemical signaling between nerves and other cells.
1. [more nervous; most nervous] a : having or showing feelings of being worried and afraid about what might happen. She is/feels nervous about her job interview. All this waiting is making me nervous. He gave a nervous glance at the clock. a nervous smile. Before the wedding the bride's father was a nervous wreck. [=he was extremely nervous]
3 de nov. de 2023 · Nervous system (anterior view) The nervous system is a network of neurons whose main feature is to generate, modulate and transmit information between all the different parts of the human body.This property enables many important functions of the nervous system, such as regulation of vital body functions (heartbeat, breathing, digestion), sensation and body movements.
2 de jun. de 2024 · All Nervous Diſtempers whatſoever, from Yawning and Stretching, up to a mortal Fit of an Apoplexy, ſeems to me to be but one continued Diſorder, or the ſeveral Steps or Degrees of it, ariſing from a Relaxation or Weakneſs, and the want of a ſufficient Force and Elaſticity in the Solids in general, and the Nerves in particular, in Proportion to the Reſiſtance of the Fluids, in order ...
Synonyms for NERVOUS: worried, anxious, upset, uneasy, apprehensive, troubled, concerned, uptight; Antonyms of NERVOUS: easy, calm, relaxed, collected, cool ...
