Assignment 3 Written Essay Questions 1. a) We are able to experience different types of sensations because our nervous system encodes messages. German physiologist Johannes Muller in his doctrine of specific nerve energies described a kind of code which is anatomical. In his doctrine‚ Muller explains that different sensory modalities exist because signals received by the sense organs stimulate different nerve pathways that lead to different areas of the brain. For example‚ when the ear
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The alpha adrenergic neurotransmitter with their receptors cause’s vasoconstriction and beta adrenergic receptors increases the heart rate and show vasodilation. (Davidyan‚ 2017) The parasympathetic nervous system decreases the blood pressure as well as heart rate through vagus nerve. The diameter of the blood vessels is regulated by the vasomotor system. Vasomotor nerves made up of sympathetic motor nerves transmit impulses to the vasomotor center to
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The Nervous System By: Brooklynne Harris Scenario A loud crashing sound causes everyone in the room to quickly turn their heads toward the source of the noise. Describe the path of the signal through the human nervous system from initial stimulus of sound to the response of turning the head. Crash and then turn of the head The Journey The loud sound that the person heard is the stimulus. In order to hear a sound‚ sound waves have to be generated and sent to the cochlea in the inner ear. From
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The Nervous System and Aging Sensory changes can influence the way we see‚ hear‚ taste‚ smell‚ and respond to touch and pain. This in turn affects how we experience the world and react to things. A significant sensory change can rob us of many simple pleasures and complicate the tasks of daily living. It may mean reduced mobility‚ increased dependence on others‚ inaccurate perception of the environment‚ reduced ability to communicate and socialize‚ or loss of self-esteem. Sensory changes vary
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Ecstasy‚ or 3‚ 4 methylenedioxymethamphetamine‚ was first synthesized and patented in 1914‚ by the German drug company Merck. The original purpose of the drug was to be an appetite suppressant‚ however in 1970 it was given to clinical depressed patients to open them up and talk about their feelings. Then in 1986‚ Ecstasy was determined to cause brain damage (http://faculity.washington.edu/chudler/mdma.html). Ecstasy is used at the party and rave scene for its effects on the emotional state of
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Lab IX: Nervous System Histology and Spinal Cord Part II: Neurons and nerve struture 1.) There are three types of neurons. The first is the multipolar‚ which is the most common‚ and they are found as motor neurons and interneurons throughout the central nervous system. The second type of neuron is the unipolar neuron‚ which are also called psuedounipolar neurons. They are found as spinal and cranial sensory neurons. The last neuron is the bipolar neuron. They are only found in olfactory‚ visual
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Americans. Being homeless means having nowhere to turn to‚ no shelter‚ and completely living on the streets. Many people walk by and completely ignore the homeless like a stray dog‚ loose on the streets. Being homeless does not make someone less than a regular human being.Homelessness is a shock to many because it depicts a human being just like us and our own society lacking the necessities we take for granted. First of all‚ who are the homeless? How did they get where they are? Being homeless
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Being homeless is not an option that anyone would want being without a stable home or knowing where you are going to sleep every night is simply bad luck. Day by day many people encounter homeless people either at work or just driving by the freeway each day with signs reading “Homeless”. Others might consider homeless individuals to have made that choice on their own but do not see the deeper issues than being out on the street. Many homeless people can be mentally ill‚ have problems with drug abuse
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you enjoy athletic types of activities‚ but they are wrong. Although being in shape does help if you want to go hiking or conquer that giant mountain you have been wanting to climb‚ you don’t necessarily have to be. Not feeling like exerting to much energy? It’s ok‚ why not fancy up your front or back yard by
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I believe there is no simple answer to what being an American means. I think that the background which a person is raised in influences their definition of an American. Being an American can mean many different things to different people and that is where the line becomes blurred as to what does it actually means. Merriam-Webster dictionary states that an American is‚ “ a person born‚ raised‚ or living in the U.S.”. Being an American includes the Lakota Sioux‚ Chinese‚ Japanese‚ Mexicans‚ African
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