Overview of Homeostasis (HSC SSCE Biology): Flashcards
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Homeostasis
Homeostasis
Maintenance of relatively stable internal state
Metabolic efficiency
Metabolic efficiency
Optimal functioning of chemical reactions in cells
Set point in homeostasis
Set point in homeostasis
Ideal or normal value for an internal condition
Tolerance limits
Tolerance limits
Upper & lower boundaries of acceptable range
Negative feedback mechanism
Negative feedback mechanism
Self-regulating process that corrects internal changes
Stimulus in homeostasis
Stimulus in homeostasis
Change in an internal environment component
Receptors in homeostasis
Receptors in homeostasis
Sensory cells that detect changes
Effectors
Effectors
Muscles, organs, & glands that carry out response
Hypothalamus role
Hypothalamus role
Control centre linking nervous & endocrine systems
Meaning of 'negative' in negative feedback
Meaning of 'negative' in negative feedback
Response opposes/counteracts the original change