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  1. 16. Apr. 2024 · A nervous system can be defined as an organized group of cells, called neurons, specialized for the conduction of an impulse—an excited state—from a sensory receptor through a nerve network to an effector, the site at which the response occurs.

  2. 22. Apr. 2024 · Human nervous system, the series of cells and nerve tracts that conduct stimuli from sensory receptors in the periphery to receptors in the brain and spinal cord and then conduct impulses back to other body parts.

  3. en.wikipedia.org › wiki › NeuroscienceNeuroscience - Wikipedia

    4. Mai 2024 · A nervous system emerges from the assemblage of neurons that are connected to each other in neural circuits, and networks. The vertebrate nervous system can be split into two parts: the central nervous system (defined as the brain and spinal cord), and the peripheral nervous system.

  4. 2. Mai 2024 · Anxiety can create stress, but there's also a silver lining to feeling a little bit nervous. Not only can it help you perform your best, but it can also trigger the release of brain chemicals that help motivate you to go after your goals.

  5. en.wikipedia.org › wiki › AnxietyAnxiety - Wikipedia

    Vor 4 Tagen · It is often accompanied by nervous behavior such as pacing back and forth, somatic complaints, and rumination. Anxiety is a feeling of uneasiness and worry, usually generalized and unfocused as an overreaction to a situation that is only subjectively seen as menacing.

  6. Vor 6 Tagen · nerve, in anatomy, a glistening white cordlike bundle of fibres, surrounded by a sheath, that connects the nervous system with other parts of the body. The nerves conduct impulses toward or away from the central nervous mechanism.

  7. Vor 6 Tagen · Neuroscience is a multidisciplinary science that is concerned with the study of the structure and function of the nervous system. It encompasses the evolution, development, cellular and molecular...