English National Curriculum - Science
Mission Objectives
Describe how body temperature is monitored and controlled
Describe the changes that happen when body temperature is too high or too low
Explain why it is dangerous if body temperature becomes too high or too low
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Words and meanings to learn
receptor
cells or structures that detect a stimulus, such as changes in the environment or within the body
vasoconstriction
the narrowing of blood vessels supplying the skin to reduce blood flow near the surface, which helps conserve heat in the body
vasodilation
the widening of blood vessels supplying the skin to increase blood flow near the surface, which helps transfer heat to the environment
effector
an organ, muscle, or gland that responds to a stimulus by producing an effect, allowing a response to occur
homeostasis
the regulation of internal conditions to maintain optimum conditions for function in the body
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Mission assignment film
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