Criado por Fxxxxxx Hxxxx Rxxxxx
mais de 5 anos atrás
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Questão | Responda |
Define homeostasis | The regulation of the internal conditions of a cell or organism to maintain optimum conditions for function in response to internal or external changes |
Give examples of homeostasis in the body | Blood glucose concentration Body temperature Water levels |
What do all control systems include | Cells called receptors which detect stimuli (changes in the environment) Coordination centres (brain, spinal cord and pancreas) that receive and process information from receptors Effectors, muscles or glands which bring about responses which restore optimum levels |
Define the nervous system | It enables humans to react to their surroundings and to coordinate their behaviour |
What does the nervous system consist of | The central nervous system (brain and spinal cord) The peripheral nervous system ( nerve cells carry information to or from the CNS |
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