Hormones: Maintaining Blood Homeostasis (AQA GCSE Biology): Flashcards
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Homeostasis definition
Homeostasis definition
Maintenance of a constant internal environment
What homeostasis maintains
What homeostasis maintains
Optimum conditions despite internal/external changes
Why homeostasis is needed
Why homeostasis is needed
For enzyme action and all cell functions
3 things controlled by homeostasis in humans
3 things controlled by homeostasis in humans
Blood glucose concentration, body temperature, water levels
Communication types in automatic control systems
Communication types in automatic control systems
Nervous and hormonal
Role of receptors
Role of receptors
Detect stimuli (changes in environment)
What receptors are
What receptors are
Cells that detect stimuli
Role of coordination centres
Role of coordination centres
Process information from receptors
Examples of coordination centres
Examples of coordination centres
Brain, spinal cord, pancreas
Role of effectors
Role of effectors
Bring about responses to restore optimum levels
Examples of effectors
Examples of effectors
Muscles or glands
3 components of all control systems
3 components of all control systems
Receptors, coordination centres, effectors