English National Curriculum - Science
Mission Objectives
Define homeostasis
Identify the different control systems in the body
Explain why internal conditions need to be controlled
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Words and meanings to learn
control systems
made up of receptors, coordination centres and effectors that detect changes and bring about responses to restore optimum conditions
enzymes
biological catalysts that speed up chemical reactions in living cells without being used up
stimuli
changes in the internal or external environment that are detected by receptors and trigger a response
regulation
the adjustment or control of internal conditions to keep them at an optimum level
maintain
keep something at the same level or within a normal range
Handouts
Expert film
Mission assignment film
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