CNS AND PNS EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+/. VERIFIED.

CNS AND PNS EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+/. VERIFIED. Neurons - -Main function cell of nervous system. Cells that send and receive signals. Neuroglia - -Cells that support and protect neurons. The brain and spinal cord is located where? - -The central nervous system. The peripheral Nervous system consist of? - -all neural tissue outside CNS Cranial Nerves connect to what? - -The brain Spinal nerves attach to what? - -The spinal cord Afferent division - -Carries sensory information, from PNS to CNS (incoming) Efferent division - -Carries motor command, from CNS to PNS (outgoing) what is Neural tissue? - -tissue that composes the nervous system What does neural tissue include? - -neuron and neuroglia what are the two different types of nervous cells? - -Neuron and Nueroglia What are the function of Neuron and Neuroglia cells? - -Neuron-sends and receives signal, Neuroglia-supports and protect neurons How is the nervous system divided? - -Central Nervous System and Peripheral Nervous System Afferent - -Carries sensory information, From PNS sensory receptors to CNS Efferent - -Carries motor commands, From CNS to PNS muscles and glands Somatic Nervous System - -Controls skeletal muscles Visceral Nervous System - -Controls smooth muscle, cardiac muscle and glands "unconscious control" Parasympathetic Nervous System - -Decrease heart rate "rest and digest" Sympathetic Nervous System - -Increase heart rate "fight or flight" What is a neuron? - -Cells that send and receive signal