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NervousSys

Nervous System for Hum Bio

QuestionAnswer
Central Nervous System (CNS) Brian + Spinal Cord
Peripheral Nervous System (PNS) Cranial Nerves (CN) + Spinal Nerves (SN)
Somatic Nervous System Control of sensory and motor of skeletal system
Autonomic Nervous System Sympathetic Division and Parasympathetic Division
Sympathetic Division Flight or fight internal organs
Parasympathetic Division Housekeeper of internal organs
Nervous Tissue is comprised of... Neurons and Glial cells
Neuron Dendrite + Cell body + Axon + Synapse
Types of Neurons Sensory neuron, interneuron, motor neuron, synapse (neurotransmitters).
Spinal Cord It is made out of grey matter and white matter. It is surrounded and protected by the meninges which contains the cerebro spinal fluid and runs the length of the spinal column.
Dorsal tracks Ascending
Ventral tracks Descending
Two Main Divisions of the Brain. Left side controls right side of body (verbal, logical/analytical, rational). Right side known for nonverbal/visuo-spatial, intuitive and creative.
Telencecphalon [Cerebrum] Two halves, largest section does learning, memory, and language.
Diencephalon [Hypothalmus] Controls the Pituitary Gland [Thalmus] Memory and emotion.
Cerebellum Integrates sensory and motor information.
Brain Stem [Midbrain] Reflex centers for visual, auditory, and tactile reponses
Medulla Oblongata Regulate heartbeat and breathing.
Peripheral Nervous System Sensory (dorsal root), Motor (ventral root), and interneurons.
Spinal Nerves 31 Pairs exit from the spine on either side between each vertebrae controlling sensory (dorsal) and motor (ventral)/ They are numbered from the region they exit C1-C8, T1-T12, L1-L5, S1-S5, C1. They control regions locally to them.
Nerves meet where? Ganglia
Sympathetic Long Ganglia
Parasympathetic Short Ganglia
Created by: Carprincess
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