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Long term reflex actions such as swimming and cycling are controlled by- 1) cerebellum 2) spinal cord 3) hypothalamus 4) cerebrum
Long term reflex actions such as swimming and cycling are controlled by- 1) Cerebellum 2) Spinal cord 3) Hypothalamus 4) Cerebrum
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Abhijeet Gaurav![best-answer]()
Answer is (B). Spinal Cord regulates and conducts the reflex action. Reflex actions are of 2 types: (A) Cranial reflex: These actions are completed by brain. No urgency is required for these actions these are slow actions e.g. watering of mouth to see good food. (B) Spinal reflex: These actions are completed by spinal cord. Urgency is required for these actions. These are very fast actions. e.g. Displacement of the leg at the time of pinching by any needle. Classification of reflex actions on the basis of previous experiences: (A) Conditioned reflex: Previous experience is required to complete these actions e.g. swimming, cycling, dancing, singing etc. These actions were studied first by Evan Pavlov on dog. Initially these actions are voluntary at the time of learning and after perfection these become involuntary. (B) Unconditioned reflex: These actions do not require previous experience e.g. sneezing, coughing, yawning, sexual behaviour for opposite sex partner, migration in birds etc.