The human body has a central nervous system and a peripheral nervous system these systems have specific functions, and can be affected by a variety of diseases the human body has a central nervous description of the nervous system. Parkinson's disease affects the way you move and occurs when certain nerve cells in the brain don't produce enough dopamine. Cocaine is a powerfully addictive stimulant drug made from the leaves of the coca plant native to south america although health care providers can use it for valid medical purposes, such as local anesthesia for some surgeries, cocaine is an illegal drug. The best functional definition of an axon is that it is a nerve process which is capable of transmitting a nerve impulse (action potential) over some distance major subdivisions of the nervous system. Invertebrate nervous systems although the invertebrate nervous system is usually much simpler than the nervous systems found in vertebrates, there is still a broad range in complexity depending on the type of invertebrate.
Nervous tissue nervous tissue is the primary tissue that composes the central nervous system and the peripheral nervous system neurons are the basic unit of nervous tissue. All of these processes depend on the interconnected cells that make up your nervous system like the heart, lungs, and stomach, the nervous system is made up of specialized cells. The olfactory system represents one of the oldest sensory modalities in the in no other location in the mature nervous system do less differentiated stem cells the classic description of partial complex epilepsy with a mesial temporal focus includes an. Read medical definition of central nervous system (cns.
A sensory system is a part of the nervous system responsible for processing sensory information a sensory system consists of sensory receptors, neural pathways, and parts of the brain involved in sensory perception commonly recognized sensory systems are those for vision, hearing, somatic. A neurologist is a doctor who specializes in treating diseases of the nervous system, which includes the brain and spinal cord learn more. Learn about the nervous system which includes the central and peripheral nervous systems with bbc bitesize gcse science. When the central nervous system becomes damaged or peripheral nerves become trapped, it can increase or decrease your internal organs functionality, it can even affect your facial expressions, ie make you frown a lot, your smile becomes lop sided, your lungs can overwork, or underwork, the. Understanding the basic anatomy and physiology of the human body the nervous system the nervous system is responsible for coordinating all of the body's activities.
The nervous system teacher pages the nervous system allows for sensing, response, and control response by the nervous system is accomplished by motor control. Multiple sclerosis - literally, many hardenings, ms is a disease of unknown cause that manifests as multiple hard plaques of degeneration of the insulating layer of nerve fibers in the central nervous system.
The body is divided into many systems in this lesson, you will learn about the parts that make up the nervous system and their functions to gain a. Neurodegenerative (degenerative nerve) diseases are disorders that destroy motor neurons parkinson's is an examples see a list of all the diseases multiple system atrophy (national institute of neurological disorders and stroke. The central nervous system (cns) controls most functions of the body and mind it consists of two parts: the brain and the spinal cord. Start studying chapter 11 study modules learn vocabulary, terms, and more with flashcards, games, and other study tools search create match the system with its correct description: central nervous system consists of brain and spinal cord. Define autonomic nervous system autonomic nervous system synonyms, autonomic nervous system pronunciation, autonomic nervous system translation, english dictionary definition of autonomic nervous system n the part of the vertebrate nervous system that regulates involuntary action, as of the.