Central Nervous System (CNS) The CNS is responsible for coordinating and controlling the activities of our body such us control of the muscles and the mental activity. The main organs of the CNS is the brain‚ spinal cord‚ and nerves. These organs mostly consist of Nervous Tissues. http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/19588.jpg Nervous Tissues Nervous tissues are made up of two main types of cells: nerve cells/neurons and neuroglia. The main functions of nervous tissues are
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Anatomy of the Nervous System Structure of the Vertebrate Nervous System • Neuroanatomy is the anatomy of the nervous system. • Refers to the study of the various parts of the nervous system and their respective function(s). • The nervous system consists of many substructures‚ each comprised of many neurons. Structure of the Vertebrate Nervous System • Terms used to describe location when referring to the nervous system include: – Ventral: toward the stomach – Dorsal: toward the back –
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1. Explain both the anatomical and functional divisions of the nervous system. Include the subdivisions of each. The nervous system’s function is to monitor stimuli occurring inside and outside the body‚ process and interpret this sensory input‚ and respond by activating effector organs. It consists of the Central Nervous System (brain and spinal cord)‚ and the Peripheral Nervous System (neurons that carry messages to and from the CNS). 2. Describe the composition and function of the cell
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University Glossary‚ 2013). The evolution of animals’ and humans’ nervous systems is a necessary process to maximise the chances of survival. Neuronal and behavioural changes are closely linked to the environment surrounding animals and humans‚ as well as to their lifestyles. This essay will present some evidence that the nervous system of animals and humans have evolved as to maximize survival‚ by looking at specific elements of the nervous system on a cellular level‚ within the brain regions‚ through
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• Chapter 7 • What is stress? • Stress- can be described as the unconscious preparation to fight or flee that a person experiences when faced with any demand • Stressor- a person or event that triggers the stress response • Distress or strain- the adverse psychological‚ physical‚ behavioral‚ and organizational consequences that may occur as a result of stressful events • Four approaches to stress • Fight or flight homeostatic medical approach- the adverse psychological‚ physical‚ behavioral
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Introduction Nervous systems are composed of circuits of neurons‚ highly specialized cells that communicate with each other and with other types of cells by electrical or chemical signals.—The central nervous system (CNS) is composed of brain and a nerve cord. The peripheral nervous system (PNS) consists of all neurons and their projections that are outside and connect with the CNS. The most basic circuits is a reflex arc‚ which occurs rapidly in response to inputs from the sensory neurons and
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Draw an ECG wave form representing one heartbeat. Label the P‚QRS‚ and T wavws: P-R interval; the S-T segment‚ and the Q-T interval. 5. Why does heart rate increase during running? Exercise raises heart rate by acting through the sympathetic nervous system. Sympathetic nerve fibers release norepinephrine on the heart and the pace maker fires more rapidly. 6.Describe what happens in the cardiac cycle in the following situations. 1. ... the heart is in relaxation (diastole) 2. ... depolarization
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connective tissue serves a "connecting" function. It supports and binds other tissues in the body. Unlike epithelial which has cells that are closely packed together‚ connective tissue typically has cells scattered throughout an extracellular matrix of fibrous proteins and glycoproteins attached to a basement membrane. Loose Connective Tissue In vertebrates‚ the most common type of connective tissue is loose connective tissue. It holds organs in place and attaches epithelial tissue to other underlying
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Cheat Sheet: Note: UCC governs the sale of goods; NOT SERVICES Offer+acceptance+consideration=contract Four types of contracts: 1. consideration: when you have a contract for a bargained for exchange where the promisor receives a benefit to the promisee’s detriment; note: benefit/detriment has to induce the promise 2. moral obligation: promise+antecedent benefit (rare) 3. promissory estoppel: a contract exists when a person reasonably relies upon a promise to his detriment 4. form: some contracts
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A Rose for Emily A Rose for Emily is a story that deals with a women’s sentimental illness caused by isolation. Emily Grierson looses her moral compass‚ and her trace of reality‚ her inability to be loved‚ her desire to be considered as someone important‚ was never accomplished. The author shows plans of development; using characterization‚ symbolism‚ and setting. This is a very symbolic and animatic story. William Faulkner points out his views of empathy towards Emily in the story when he illustrates
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