যেভাবে খুশী Pop Quiz

Which of the following best describes about reflex actions?
Choose the right answer:
Option A They are rapid, voluntary responses to stimuli.
Option B They involve receptors, effectors and neurones.
Option C They are coordinated দ্বারা both the brain and the spinal cord.
Option D They always involve receptors and muscles.
 YuukiTouma posted বছরখানেক আগে
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