Homeostasis (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is homeostasis?
What is homeostasis?
Keeping internal conditions steady
Why does the body maintain optimal conditions through homeostasis?
Why does the body maintain optimal conditions through homeostasis?
So enzymes can work properly
Which conditions cause enzymes to become denatured?
Which conditions cause enzymes to become denatured?
Temperature too hot or pH too extreme
Which three things does the body automatically control?
Which three things does the body automatically control?
Temperature, blood glucose, water
What temperature does homeostasis keep the body at?
What temperature does homeostasis keep the body at?
Around
How do nervous responses compare to chemical responses?
How do nervous responses compare to chemical responses?
Nervous are fast, chemical are slow
What are the three parts of every control system?
What are the three parts of every control system?
Receptors, coordination centres, effectors
What do receptors do in a control system?
What do receptors do in a control system?
Detect stimuli or changes
Which of these are coordination centres?
Which of these are coordination centres?
Brain, spinal cord and pancreas
What are effectors?
What are effectors?
Muscles or glands that make changes
What happens when you have too much water in your body?
What happens when you have too much water in your body?
Kidneys reabsorb less, produce watery urine
What is negative feedback?
What is negative feedback?
Reversing changes to return to set point