Neurons are responsible for collecting and transmitting the received information by sending electrical impulses through the entire body. Sympathetic nervous system. These neurons operate on excitation or inhibition, and although nerve cells can vary in size and location, their communication with one another determines their function. Also refer: Peripheral Nervous System. This is damage to the brain or spinal cord, various nerves, and even phantom syndrome. ; There are billions of neurons in the nervous system, most of them in the brain. Glia and neurons are the two cell types that make up the nervous system. This has been possible because in this species, every individual worm (ignoring mutations and sex differences) has an identical set of neurons, with the same locations and chemical features, and the same connections to other … While glia generally play supporting roles, the communication between neurons is fundamental to all of the functions associated with the nervous system. The nervous system in a human is made of the brain, spinal cord, sensory organs and all the neurons that serve as communication channels between the various organs of the body. The nervous system allows for the almost instantaneous transmission of electrical impulses from one region of the body to another. In addition to the brain and spinal cord, principal organs of the nervous system include the following: Eyes. The Nervous System The nervous system is very important in helpingto maintain the homeostasis (balance) of thehuman body. It consists of two parts : Brain ; Spinal cord ; The Brain Position, Protection and Meninges The human brain is highly developed. Sympathetic Nervous System 2. Nervous System 1. Ears. The sense organs, including the eye, contain receptors that are sensitive to stimuli and respond with reflex actions. Sensory organs of taste. Each nerve node is interconnected, so it … Free. The neuron consists of long cables like extensions that protrude out of its body termed as axons and short, thick extensions termed as dendrites. The nervous system includes the central and peripheral nervous systems. It … The part of a neuron that conducts impulses away from its cell body is called. All the types of neurons in the enteric nervous system of the small intestine of the guinea-pig have now been identified in terms of their morphologies, projections, primary neurotransmitters and physiological identification. The basic functional unit of the nervous system is the neuron. The peripheral nervous system (PNS) is the division of the nervous system containing all the nerves that lie outside of the central nervous system (CNS). Today Hank kicks off our look around MISSION CONTROL: your nervous system.Pssst... we made flashcards to help you review the content in this episode! Peripheral Nervous System Function Sensory Nervous System. Parasympathetic nervous system. There are different types of neurons, and the functional role of a given neuron is intimately dependent on its structure. #1. These nerves extend from the central nervous system to the outermost areas of the body. Unlock to view answer . In 1780 Luigi Galvani (born in Italy in 1737) began to study the electric-type nature of nerve impulse. This consists of all other neural elements, including the peripheral nerves and the autonomic nerves. Two types of autonomic nervous system are: 1. Diseases affecting the nervous system is not rare and affect millions of people worldwide every year. The nervous system is a network of specialized cells that communicate information about an animal's surroundings and itself. The nervous system is an organ system that handles communication in the body. The first is the... Somatic Nervous System. There are about 900 million glia cells in the nervous system. Central nervous system: It includes the brain and the spinal cord. Sensory organs of smell . 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