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Transcript
Nervous Tissue By Kristin Tuccillo What three things is nervous tissue a component of? 1) Brain 2) Spinal Cord 3) Nerves What is the main function of nervous tissue? Regulate and Control body functions What two types of cells does nervous tissue consists of? 1) 2) Neurons Supporting cells (Neuroglia) What are the 3 parts of neurons and their functions? Perikaryon 1) • • The part of the neuron which immediately surrounds the nucleus Usually used synonymously with neuron or soma Dendrites 2) • Carry messages and signals away from the cell body Axons 3) • Carry messages and signals towards the cell body What are the 3 functions of supporting cells? 1) 2) 3) Nourishment of neurons Insulation of neurons Protection of neurons What tissue is this? Nervous Tissue What are 4 features of nervous tissue? Neuron Cell body Neuron process Nuclei of supporting cells (Neuroglia) What is the main function of this tissue? Transmit electrical signals from sensory receptors and to effectors that control their activity Where is this tissue located? Brain Spinal cord Nerves
