The Sympathetic And Parasympathic Nervous System

Decent Essays
There are two subtypes under our Autonomic nervous system-- the Sympathetic and Parasympathetic nervous systems. The Parasympathetic nervous system is functional during normal situations, while the Sympathetic nervous system is usually working during emergencies or alarming situations, during exercise or work outs, or the feeling of either excitement or embarrassment. The "supermom" effect was probably because Anthony's mother saw her son in a dangerous situation and took it as an emergency. That "supermom" effect was because of the Sympathetic nervous system that caused the adrenal glands to escape the hormones epinephrine and norepinephrine that resulted into what we call “Adrenaline Rush” when in an alarming situation. When adrenaline is

Related Documents

  • Decent Essays

    Adrenal medulla:- The adrenal medulla produces the hormones epinephrine and norepinephrine under stimulation by the sympathetic division of the autonomic nervous system. Both of these hormones help to increase the flow of blood to the brain and muscles to improve the “fight-or-flight” response to stress. These hormones also work to increase heart rate, breathing rate, breathing rate, and blood pressure while decreasing the flow of blood to and function of organs that are not involved in responding to emergencies.…

    • 303 Words
    • 2 Pages
    Decent Essays
  • Improved Essays

    1. What are Greg’s new signs and symptoms? Do you have a diagnosis for Greg’s problem? Greg have new signs and symptoms which are a heart rate and or low pulse, low blood pressure, and an increased sodium level.…

    • 166 Words
    • 1 Pages
    Improved Essays
  • Decent Essays

    1. When we're not in life-threatening situations, our PNS is active. Why is it important for our bodies to be in this state most of the time? It is extremely important for the Parasympathetic Nervous System to be active for the majority of the time, because it handles necessary bodily functions that cannot take place unless the body is relaxed. These functions include: digestion, fighting disease, producing waste, healing, and resting.…

    • 223 Words
    • 1 Pages
    Decent Essays
  • Improved Essays

    Leading On Empty Summary

    • 1151 Words
    • 5 Pages

    Leading on Empty Reading Response In his book Leading on Empty, Pastor Wayne Cordeiro tells of his experiences in burnout and how he refueled himself. Pastor Cordeiro shares his experiences in the hopes that it is an encouragement to others heading down the same path. Pastor Cordeiro got back in touch with the things that were important in his life, built up his balance, and let God reenergize him so that he could do better things.…

    • 1151 Words
    • 5 Pages
    Improved Essays
  • Improved Essays

    The chromaffin cell plays a great role in the ‘fight or flight’ response. The surge of adrenaline produced under conditions of stress or fear prepares the body for peak physical response. Adrenaline enters the bloodstream at up to 300 times its normal concentration interacting with various receptors on organs. Increased heart rate, blood pressure and initiation of release of glucose prepares the body for muscular activity. These responses are enabled by the release of adrenaline from chromaffin cells.…

    • 166 Words
    • 1 Pages
    Improved Essays
  • Improved Essays

    In the brain, there are respiratory centers that are the central control of ventilation. They are located within the brainstem and their job is to adjust ventilation when they receive signals of changes in the chemical composition. Changes in the arterial partial pressure of carbon dioxide or oxygen and changes in blood pH have a major effect on ventilation. For example, when the arterial partial pressure of carbon dioxide and blood pH are altered, it sends a message to the respiratory control center in order for it to adjust the concentrations. At rest, the receptors that maintain ventilation are the central and peripheral chemoreceptors.…

    • 382 Words
    • 2 Pages
    Improved Essays
  • Great Essays

    Topic: Understanding the Key Aspects of the Brain and the Nervous System. The entire human body activity relies on the brain function, in this first section of this report I will try to discuss the major structures, the functions as well as the major methods of studying the brain. The brain is in charge of all body functions, such as the ability to make decisions, do activities, learning and all everyday life stuff. The brain is situated in the skull protected by brain blood fluid.…

    • 1627 Words
    • 7 Pages
    Great Essays
  • Superior Essays

    The Serous Nervous System

    • 1264 Words
    • 6 Pages

    Question 1. a) “What serosal cavities have been penetrated by the 1st arrow?” The pleural cavity and pericardial cavity have been penetrated by the 1st arrow as they tend to appear in the thoracic cavity on the left side of the chest. b) “Explain the location, the microscopic characteristics of the serous membrane, and the purpose of the serous membrane.”…

    • 1264 Words
    • 6 Pages
    Superior Essays
  • Superior Essays

    Complex Trauma Case Study

    • 1515 Words
    • 7 Pages

    Traumatic experiences similar to the neglect my interviewee suffered, are likely to cause alterations in children's brains resulting in an endless list of long term negative effects. Many children that have suffered through traumatic experiences are likely to face issues with, commitment, empathy, identifying or expressing feelings, relationships, and low self-esteem (Middlebrooks and Audage). As well as issues with attachment, cognitive delays, increased medical issues, and impaired emotional regulation. Not only that, but difficulty focusing, trauma re-enactment, and processing information are other obstacles that some trauma victims face later on in life (Effects of Complex Trauma).…

    • 1515 Words
    • 7 Pages
    Superior Essays
  • Improved Essays

    Physiologic Responses

    • 304 Words
    • 2 Pages

    Rational: Your body is designed to react posthaste to trepidation, sending out robust hormones and signals to various body systems to give you the vitality to run or the power to fight. You may describe the expeditious heart rate associated with dread as feeling like your heart is going to detonate; but, in fact, your heart is just working diligently to supply as much blood as feasible to help your body deal with the consternation. This proliferates blood pressure and heart rate, activating the “fight or flight” response that has helped mankind react to and survive in menacing situations. B. Question: Does fear cause the same physiologic responses in teenagers and adults? C. Hypothesis: If teenagers and adults watch a horror movie then…

    • 304 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    The Vagus Nerve

    • 220 Words
    • 1 Pages

    The word ‘Vital Signs are a general term for the correlation of a number of observations undertaken by persons within the health profession. These observations would include the likes of temperatures, blood pressure monitoring, respirations, heart- rate and oxygen levels. The list, however, is non-exhaustive varying from different clinical settings and circumstances. These observations act as a tool to measure a person’s state of health. This document will describe an overview of the Vagus nerve, Syncope and then proceed to describe Vasovagal Syncope and the sequence of events alongside it, the actions one should take if faced with such an event including those actions of the more professional medical personnel.…

    • 220 Words
    • 1 Pages
    Improved Essays
  • Decent Essays

    When the initial visual stimuli of a test is taken in by the optic nerve, it is sent to the lateral geniculate nucleus, from which the information is sent to the visual cortex in the occipital lobe for processing. Once the visual stimuli is processed, allowing the reader to see that they have an upcoming test, fight or flight response kicks in. The amygdala shuts down all brain functions not related to survival. The prefrontal cortex antagonizes the amygdala by evaluating whether or not the stressor warrants a reaction. The sympathetic nervous system triggers the release of adrenaline from the adrenal gland causing arousal; flight-or-flight responses (tachypnea and tachycardia) are triggered by adrenaline.…

    • 224 Words
    • 1 Pages
    Decent Essays
  • Decent Essays

    The sympathetic nervous system or the "fight-or-flight response" is the preparation of the body to either run away from a threat or stand and fight a threat. This response starts in the autonomic system, where a physiological response makes the choice possible. This happens when adrenaline starts to flood the circulatory system, then the heart rate increases and the sweat glands become active. Next the lungs expand allowing for more air, pupils dilate, blood pressure increases and blood vessels dilate. This is the bodies response to the preparation of the "flight" portion of fight-or-flight.…

    • 107 Words
    • 1 Pages
    Decent Essays
  • Improved Essays

    The nervous system is composed of two main parts which are the central nervous system and the peripheral nervous system. The central nervous system includes the brain and nerve cords like the spinal cord while the peripheral nervous system includes the motor nerves and sensory nerves. There are two main types of support cells in the nervous system which are glial cells and neurons. The neurons' function in the system is to receive and send electrical signals. The glial cells provide insulation and regulation to neurons.…

    • 561 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    The heart is considered as the center of wisdom, passion, and emotions by many a people. This emanates from the fact that people report experiencing emotional states and the feeling love in the area of the heart. However, these feelings have been conventionally attributed to the brain. Recent studies have disputed this fact with physiological mechanisms being explored to ascertain how the heart communicates with the brain and as such influence the health, emotions, perceptions, and processing of information. Such studies have thus provided ground to explain the phenomena of the heart with regard to emotional balance, creativity, and mental clarity.…

    • 1063 Words
    • 5 Pages
    Improved Essays