Q U E S T I 0 N S
1. What is the difference between a reflex action and walking?
2. What happens at the synapse between two neurons?
3. Which part of the brain maintains posture and equilibrium of the body?
4. How do we detect the smell of an agarbatti (incense stick)?
5. What is the role of the brain in reflex action?
Plz answer all these questions
Answers
Explanation:
reflex action is an involuntary action which is a rapid and automatic response to stimuli. Walking is a voluntary action, which requires our thinking and is within our control.
Transmission of nerve impulses between two neurons takes plave through the synapse. The axon terminal of a neuron releases specialized chemicals called neurotransmitters. These chemicals travel through the synapse and reach the dendrites of the successive neuron.
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At first, the smell of the incense stick reaches our nose, then the olfactory receptors present in our nose detect it. Then the receptors send this information to the forebrain in the form of electrical signals. Then the forebrain interprets this information as the smell of incense stick where it is already stored.
Reflex actions are sudden responses. ... Such a connection of detecting the signal from the nerves (input) and responding to it quickly (output) is known as a reflex arc. Reflex arcs are formed in the spinal cord but the information is still sent to the brain. The brain doesn't have a significant response to it.
Explanatio____________
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