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Central and Peripheral Nervous System PowerPoint Presentation

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Description : Check out this medical presentation on Neurology, which is titled "Central and Peripheral Nervous System", to know how the central nervous system interprets information, and the peripheral nervous system gathers and transmits information.

Tags : Neurology, Central, Peripheral, Nervous System

Published on : Aug 29, 2021 | Views : 2617 | Downloads : 3

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Slide 1-

Sponge 5 Sensory neurons: detect stimuli and transmit signals to the brain and the spinal cord Interneurons: receive signals from sensory neurons and relay them within the brain and spinal cord Motor neurons: pass messages from the nervous system to the other tissues in the body, such as muscles Please use your personal experiences, or others’ experiences to give examples of each. Ex: Sensory neurons: When I touch boiling water my sense of touch will transmit a signal to my brain. My interneurons receive the signal and process that the water is hot. My motor neurons allow me to move my hand away from the water.
Slide 2-

Set up Cornell Notes on pg. 43 Topic: 29.4 Central and Peripheral Nervous System Essential Question(s): 1. On pg. 42 fill out the tree map with descriptions (function/examples) of each part of the nervous system 2.1 Atoms, Ions, and Molecules 29.4 Central and Peripheral Nervous System
Slide 3-

KEY CONCEPT The central nervous system interprets information, and the peripheral nervous system gathers and transmits information.
Slide 4-

The Nervous System Central Nervous System (CNS) Peripheral Nervous System (PNS) Brain Spinal Cord Somatic N.S. Autonomic N.S. Cerebrum Cerebellum Brainstem Sympathetic N.S. Parasympathetic N.S. Reflexes Function Function Function Function Function Function Function Example Function Example Function Function Midbrain Pons Medulla Oblongata Function Function Function Examples Examples Examples Examples Examples Examples
Slide 5-

The nervous system’s two parts work together. The Central Nervous System (CNS) includes the brain, and spinal cord. Processes information. The Peripheral Nervous System (PNS) includes four systems of nerves and links the CNS to muscles and organs.
Slide 6-

If you have a question, you will raise your hand to ask it. How do your CNS and PNS work together to allow you to raise your hand? Your CNS passes a signal to a motor neuron in your PNS causing you to raise your hand.
Slide 7-

The brain has three parts. 1. cerebrum controls thought, movement, emotion 2. cerebellum allows for balance so body can move smoothly 3. brain stem controls basic life functions (breathing, heart beat) The CNS:
Slide 8-

The brain stem has three parts. midbrain controls some reflexes pons regulates breathing medulla oblongata connects the brain and spinal cord and controls heart function, swallowing, coughing, vomiting
Slide 9-

The somatic nervous system regulates voluntary movements Ex: Walking sympathetic nervous system: action and stress (Fight or Flight) parasympathetic nervous system: calms the body, conserves energy The autonomic nervous system controls involuntary functions Ex: Digestion The Peripheral Nervous System: Collection of nerves that links the CNS to muscles and other organs (Sensory neurons/motor neurons) *Maintain homeostasis
Slide 10-

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Slide 11-

The CNS and PNS pass signals between one another. 1. Sensory receptors in PNS generate an impulse PNS passes impulse to CNS 3. PNS stimulates a response 2.CNS interprets impulse CNS passes impulse to PNS.
Slide 12-

12 Reflex arc- A simple pathway, including only a few neurons, that carry out the simplest responses…reflexes. Reflexes – automatic, subconscious responses to external or internal stimuli Maintain homeostasis by controlling: heart rate, breathing rate, blood pressure, digestion, swallowing, sneezing, coughing, and vomiting
Slide 13-

The spinal cord controls reflexes. sensory neuron sends impulse to spinal cord spinal cord directs impulse to motor neuron does not involve the brain!!!!
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14 1 2 3 Spinal Cord 4 5 Label the parts of this reflex arc: Key: Effector Motor Neuron Receptor Interneuron Sensory Neuron
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15 1 Receptor 2 Sensory neuron 3 Interneuron 4 motor neuron 5 Effector Spinal cord
Slide 16-

16 ReceptorSensory neuron Interneuron  Motor neuronEffector