Question

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?
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Answer 1

Answer:

1. reflex action and walking

a. refelx actions are those actions which are sent by the spinal cord for ultimate transfer of message to respond against a stimulus.

b. walking is not a reflex action as it is sent by our brain, not to respond against any stimulus.

2. what happens between synapse between two neurons?

Ans.They transfer messages to another neuron through electrical impulse for faster transfer of messages.

3.Which part of brain maintains posture and equilibrium of body?

Ans. Cerebellum maintains the posture and equilibrium of human body.

4.How do we detect the smell of an agarbatti?

Ans. we can do so because we have an olfactory receptor in our nose wich helps us in smelling our surroundings.

5.What is the role of brain in reflex action?

Ans. The role of a brain is to send message after the reflex action that u have responded to a stimulus as brain does not take part in reflex action it is done by spinal cord to faster the reflex action. Work of brain is to send a pop up message that u were in trouble.