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Get Answers to all your Questions
What are reflex actions? Give two examples. Explain a reflex arc.
Answers (1)
Solution:
The sudden involuntary movement in a voluntary organ; in response to a stimulus; is called reflex action.
Examples of reflex action:
- (a) Moving your hand away from a hot pan.
- (b) Blinking of eyes
Reflex Arc: Reflex arc is a path of electrical impulse during a reflex action. It is composed of sensory neuron, spinal cord, motor neuron and
muscle.
Steps of reflex arc
• The sensory neuron picks signals from the stimulus and carries the signals to the spinal cord.
• Spinal cord process the signals and sends the message through the motor neuron.
• Motor neuron transmits the signals to the effector's muscle so that the muscle can take immediate action
View full answer
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