Human Nervous system - Structure and Function of Neuron
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As with other higher vertebrates, the human nervous system has two main parts: the central nervous system (the brain and spinal cord) and the peripheral nervous system (the nerves that carry impulses to and from the central nervous system). In humans, the brain is especially large and well developed.
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This slide describes the neurons and their types. Neurons are connected to cognitive science in education and other science fields.
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This document summarizes the basic structures and functions of neurons. It explains that neurons are specialized cells that transmit electrical and chemical signals. The key parts of a neuron are the cell body, dendrites, and axon. Dendrites receive signals from other neurons and pass them to the cell body. The axon carries electrical impulses from the cell body to structures called axon terminals, which then pass the signal to other neurons across junctions called synapses. At a synapse, the presynaptic terminal releases chemicals that transmit the signal across the synaptic cleft to the postsynaptic neuron.
Introduction of ns
The document discusses the nervous system, defining it as the control center that coordinates actions and sensory information by transmitting signals throughout the body. It describes key terminology like gray matter, white matter, neurons, and neuroglia. Neurons are the basic functional cells that transmit impulses, and come in sensory, motor, and interneuron types. Neuroglia are supportive glial cells. Myelination of axons by neuroglia increases impulse transmission speed. The structures of neurons include dendrites, cell body, axon, and synapse. The nervous system is subdivided into the central and peripheral divisions.
Nervous system introduction
The nervous system is divided into the central nervous system (CNS) and peripheral nervous system (PNS). The CNS contains the brain and spinal cord, which receive sensory input, integrate information, and respond through motor output. The PNS includes the somatic and autonomic nervous systems. The somatic system connects the CNS to skeletal muscles and senses, while the autonomic system regulates involuntary functions through its sympathetic and parasympathetic divisions. Neurons are the basic functional units that conduct electrical signals, while neuroglia provide support and insulation to neurons.
Body Control Systems Nervous System
The document discusses the nervous system and endocrine system, which are two key systems that control the human body. The nervous system uses neurons and electrical signals to control and coordinate fast, short-term responses, while the endocrine system relies on glands and hormones to bring about slower, longer-term changes through the bloodstream. Students are asked to study these two systems, focusing on the structure and function of neurons, reflex arcs, and how stimuli trigger responses through the nervous system.
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- 3. Nervous system It is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body.
- 4. Neurons are the structural and functional units of the nervous system. They transmit electrical signals, called nerve impulses. Glial cells provide support for neurons. BasicsofBiomedical WHATISNEURON?
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