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BIO 117

Chapter 10

QuestionAnswer
what are the main divisions of the nervous systems 1) The central nervous system 2) The Peripheral nervous system
What do the divisions of the nervous system consist of 1) (CNS) Brain and spinal cord 2) (PNS) the nerves that connect to the rest of the body
What are the two cell types that build up the nervous tissue 1) Neuroglia 2) Neurons
Which cell type is capable of processing and conducting the electrical signals Neurons
Which cell type have supportive, protective, nourishing and insulating functions Neuroglia
What are the three major parts of a neuron 1)Dendrites 2)Cell Body 3)Axons
What is the function of the myelin sheet It protects and insulate the axon
Are dendrites covered with myelin sheath No
Are axons covered in myelin sheath Yes
What are axon terminals Storage for chemical neurotransmitters
What are the three main types of neurons 1) Sensory neurons 2) motor neurons 3) interneurons
Sensory Neuron or Afferent neurons carries information from the periphery toward the CNS
Motor neurons or efferent neurons carries information from the CNS to the periphery
Interneurons found only in the CNS: form connections between sensory and motor neurons
What are the structures called in the CNS and PNS that consists of grey matter unmyelinated axons, cell bodies, interneurons, and synapses
Created by: Ekane34