"Epithelial connective muscle and nervous tissue" Essays and Research Papers

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    Central Nervous System

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    Central Nervous System In the movie the Wizard of Oz‚ the Scarecrow desperately wanted a brain. He opened his lips‚ blinked his eyes‚ shook his head and said‚ “I haven’t got a brain‚ I’ve only got straw.” The reason for the emphasizing of his actions is because without a brain‚ those functions are not possible. The brain is the center of the entire body. It controls what we do and how we do it. The brain is the center of the central nervous system along with the spleen. It consists of 100

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    Building Muscles

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    Building muscles may be the purpose of many people and for doing so‚ they usually start with an intense weight training. What most of them don’t know‚ is that for building muscles‚ the balance is only 20% weight training and 80% a proper diet. Therefore‚ for those who are interested in building muscles‚ these article will provide information on how they have to introduce in their daily routine a strict diet that includes proteins‚ carbohydrates‚ or healthy fats. Proteins Muscles need proteins

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    Autonomic Nervous System

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    The Autonomic Nervous System I - Key 1. Damage to the autonomic motor nerves would probably result in A. no change in muscle tone. B. muscle atrophy. C. flaccid paralysis. D. increased skeletal muscle contraction. Blooms Level: 2. Understand Fox - Chapter 09 #8 Section: 9.01 Topic: Nervous System 2. Damage to the thoracic and lumbar regions of the spinal cord would cause heart rate to be chronically increased compared to normal. FALSE Blooms Level: 2. Understand Fox - Chapter 09 #42 Section: 9.02

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    Nervous System- Nerve Impulse When a stimulus is strong enough‚ a nerve impulse is generated in an "all or none" response which means that a stimulus strong enough to generate a nerve impulse has been given. The stimulus triggers chemical and electrical changes in the neuron. Before an impulse is received‚ a resting neuron is polarized with different charges on either side of the cell membrane. The exterior of the cell is positively charged with a larger number of sodium ions present compared

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    PERIPHERAL CIRCULATION DEFINITION: PERIPHERAL- Relating to or situated in the periphery of an organ or part of the body in relation to a specific reference point. Away from the center of the body. PERIPHERY – the part of the body away from the center. CIRCULATION –movement in the regular course‚ as the movement of the blood through the heart and vessels. PERIPHERAL CIRCULATION-transport‚ passage‚ or movement of blood away from the center (heart)‚ the route is the upper and lower extremities

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    Muscle Dystrophy

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    Before the motor neuron cone arrives the muscle fiber‚ AChR clusters are formed in the middle section of a muscle fiber. When the growing nerve cone attaches the muscle fiber‚ Agrin activates Lrp4‚ which then binds to the receptor tyrosine kinase MuSK‚ through this binding MuSK is phosphorylated and starts to form the neural and aneural AChR clustering (Burden 2011). Morphologic differences in the pre- and/or postsynaptic part of the NMJ can be a hint of a certain disease. In the following figure

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    Hindbrain Nervous System

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    activities. It controls our muscular activities or movements and similarly it stores our happy and sad memories. It correspondingly provide emotions like happiness‚ sadness‚ angriness and other emotions that we feel. The brain is main part of our nervous system. Nervous system is a convoluted combination of

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    Muscle Study Guide Microscopic Anatomy Of A Muscle: [pic] Big(-); Muscle‚ fascicle‚ muscle fiber‚ myofibril‚ myofilaments; Small(+) Endomysium: Thin connective tissue investing each muscle cell. Epimysium: Connective tissue ensheathing the entire muscle. Fascicle: A discrete bundle of muscle cells. Fiber: A muscle cell. Myofilament: Actin- or myosin- containing structure. Perimysium: Connective tissue surrounding a fascicle. Sarcolemma: Plasma membrane of the muscle cell. Sarcomere:

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    Nervous System and Mark

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    each) (Total: 6 marks) 16.2 Nervous coordination A. Questions 1. (a) motor neurone (1 mark) (1 mark) (b) A – cell body (1 mark) B – axon / nerve fibre (1 mark) C – myelin sheath (1 mark) (c) C is made of fat. (1 mark) It prevents the spread of nerve impulses and helps speed up the rate of transmission of nerve impulses. (1 mark) (d) X is an effector. (1 mark) e.g. muscle / gland (1 mark) (Total: 9 marks) 2. (a) Central nervous system (1 mark) (b) brain

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    THE NERVOUS AND THE ENDOCRINE SYSTEM. Humans need both the Nervous and the Endocrine systems basically because they do different things in different ways. They both have a co-ordination role and send instructions to other parts of the body. The nervous system does this by way of neurotransmitters‚( chemical messengers)‚ which are able to get messages through at very high speeds‚ and the endocrine system by way of hormones‚( also chemical messengers)‚ which are released from glands and travel

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