| Method |
Precise Learning Objective |
Linked |
Question / Activity
(Designed for maximum working out) |
Stepping Stones |
Pitstop Check
(Thinking Map) |
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The nervous system enables humans to react to their surroundings and to coordinate their behaviour. |
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Why is the nervous system important? Group practical:
Investigate the factors affecting response rate |
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Be able to explain how the structure of the nervous system is adapted to its functions. |
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How is the nervous system adapted to its function? |
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All control systems include:a) cells called receptors, which detect stimuli (changes in the environment), b) coordination centres (such as the brain, spinal cord and pancreas) that receive and process information from receptors, c) effectors, muscles or glands, which bring about responses which restore optimum levels. |
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What do the control systems in the body include? |
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These automatic control systems may involve nervous responses or chemical responses. |
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How is this control made automatic? |
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Be able to explain that homeostasis is the regulation of the internal conditions of a cell or organism to maintain optimum conditions for function in response to internal and external changes. |
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What is homeostasis? |
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Homeostasis maintains optimal conditions for enzyme action and all cell functions. |
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Why is homeostasis important? Demo:
Ask one student to put one hand into the cold and another in the warm water for two minutes.
Student to then put both hands into the room temperature water together and describe what they experience.
Student should feel that one hand stays hot/cold for a while despite being in the same temperature water. |
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In the human body, these include control of: a) blood glucose concentration. B) body temperature. C) water levels. |
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What things does homeostasis control? |
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