Chapter 06 Control and Coordination Questions-01
Questions
1. What is the difference between a reflex action and walking?
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Answer
A reflex action is voluntary action which is a rapid and automatic response to stimuli while walking is a voluntary action which requires our thinking and in our control.
2. What happens at the synapse between two neurons?
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Answer
A synapse is the gap between the two neurons. At synapse the electrical signals converted into chemicals that can easily cross over the gap and pass on to the next neurons where it again converted into electrical signals.
3. Which part of the brain maintains posture and equilibrium of the body?
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Answer
Cerebellum
4. How do we detect the smell of an agarbatti (incense stick)?
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Answer
When the smell of the incense stick reaches to our nose then the olfactory receptors present in our nose detects it send this information in fore brain in the form of electrical signals. Fore brain interprets this information as the smell of incense stick where it is already stored.
5. What is the role of the brain in reflex action?
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Answer
Brain has no direct involvement in reflex action. It is mainly controlled by Spinal Cord as these action not requires thinking and are very quick action.
