Chemical level – atoms combine to form molecules 2. Cell level – Molecule form organelles 3. Tissue level – similar and surrounding material make up tissues 4. Organ level –diff tissue combine to form organs 5. Organ system level –Organs make up an organ system 6. Organism – organs sytem make up an organism Characteristics of Life 1. Organization – Specific interrelationships among the parts of an organism and how those parts interact to perform specific functions. 2. Metabolism-
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Description: The central core disease is a disorder which is known to affect the skeletal muscles—muscles that are needed for movement. It generates weakness within the muscles. It also damages the tone of skeletal muscles and hardens their ability to contract with ease. Signs and symptoms • poor muscle tone (hypotonia) • weakness in muscles (often in facial muscles) • Muscle cramps • skeletal deformities such as joint dislocations and scoliosis • Delayed physical development
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The Limbic System Most reptiles and lower order organisms only have the “old brain”‚ the evolutionarily oldest part of the brain responsible for vital tasks such as breathing and sleeping‚ whereas higher order organisms have a limbic system. The old brain is comprised of the pons‚ the medulla oblongata‚ the brain stem‚ the thalamus‚ the cerebellum‚ and the reticular formation. The reticular formation is a network inside of the brain stem‚ part of the “old brain” that is essential for arousal (sleeping
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Neurofibromatosis is a genetic disorder that ceases cell growth in the nervous system and it can cause tumors to grow on the nervous tissue. These tumors can occur anywhere in the nervous system‚ this includes the brain‚ nerves‚ the spinal cord‚ skin‚ and many more of the body’s systems. These tumors tend to be benign or in other words they are non-cancerous. The development of these benign tumors may cause skin and or bone abnormalities. These tumors‚ also known as neurofibromas‚ form on nerves
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Central Nervous System Stimulants Types Stimulants can range from mild legal forms like caffeine to severe illegal drugs like methamphetamines. Each type has different effects at different levels and all can be lethal if taken in excessive quantities. The first type is the cocaine family which consists of cocaine HCL‚ cocaine freebase or crack‚ and cocaine paste. Then there are a wide arrange of amphetamines which are synthetic versions of the ephedra plant like Adderall which is used to help with
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shrimp-like in that it is elongate and nearly cylindrical in cross section. The abdomen is well developed and its segmentation is easily noted. The crayfish has bilateral symmetry‚ anterior‚ posterior‚ dorsal‚ ventral‚ right‚ and left. Nervous System The crayfish nervous system
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TMA 2 Part 1 Describe how neurons in the central nervous system communicate. Using examples‚ discuss how this has helped us to understand human behaviour. Human cognition‚ emotion‚ motivation and ultimately life is made possible by neurons in the central nervous system (CNS). This essay will briefly describe the processes involved in neuronal communication and discuss how this knowledge has helped improve our understanding of human behaviour‚ specifically with regards to neurological
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NATIONAL CENTER FOR CASE STUDY TEACHING IN SC CE Wearing on Her Nerves: Exploring the Interrelation between the Nervous and Muscular Systems by Kathleen G. Brown‚ Nursing Department Sharon S. Ellerton‚ Biological Sciences and Geology Queensborough Community College‚ City University of New York Part I – Rise and Shine? Kathy‚ a 20-year-old woman‚ awakens one morning to a tingling‚ numb sensation covering both of her feet. This has happened to her a number of times throughout the year
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When substances like acetylcholine and norepinephrine are released in the body‚ they tend to bind to receptors‚ tissues and neurons. These neurotransmitters transfer signals throughout the nervous system and stimulates action potentials in the postganglionic neurons. Receptors found on the ANS and PNS includes the cholinergic receptors‚ which consists of all sympathetic and parasympathetic preganglionic‚ sympathetic postganglionic and all parasympathetic postganglionic neurons. The cholinergic receptors
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Reproductive System What is it? The reproductive system is a collection of organs that work together for the purpose of producing a new life The major organs of the reproductive system include the external genitalia and internal organs‚ including gonads that produce gamete‚ which is a cell that fuses with another cell during conception in organisms that reproduce sexually. Substances such as fluids‚ hormones‚ and pheromones are also important to the effective functioning of the reproductive system What
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