Homeostasis (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
What is homeostasis?
What is homeostasis?
Maintenance of a constant internal environment
Why is homeostasis needed in the body?
Why is homeostasis needed in the body?
For enzyme action and all cell functions
Which of these does homeostasis control in the human body?
Which of these does homeostasis control in the human body?
Blood glucose concentration
What types of communication are involved in automatic control systems?
What types of communication are involved in automatic control systems?
Nervous and hormonal
What do receptors do in control systems?
What do receptors do in control systems?
Detect stimuli (changes in environment)
Which are examples of coordination centres?
Which are examples of coordination centres?
Brain, spinal cord and pancreas
What do coordination centres do?
What do coordination centres do?
Process information from receptors
What do effectors do?
What do effectors do?
Bring responses to restore optimum levels
Which are examples of effectors?
Which are examples of effectors?
Muscles or glands
What does homeostasis maintain despite internal and external changes?
What does homeostasis maintain despite internal and external changes?
Optimum conditions