Hormones: Maintaining Blood Homeostasis (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Definition of homeostasis
Definition of homeostasis
Maintenance of a constant internal environment
Why homeostasis is needed
Why homeostasis is needed
For enzyme action and all cell functions
Three factors controlled by homeostasis
Three factors controlled by homeostasis
Blood glucose, body temp, water levels
Communication types in automatic control systems
Communication types in automatic control systems
Nervous and hormonal
Role of receptors in control systems
Role of receptors in control systems
Detect stimuli (changes in environment)
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 in control systems
Role of effectors in control systems
Bring about responses that restore optimum conditions
Examples of effectors
Examples of effectors
Muscles or glands