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प्रश्न
Explain the following term :
Conditioned reflex
उत्तर
It develops during life time due to experience or learning. It is brought about by the condition which is totally different from initial stimulus. Example: Salivation just by the smell of food.
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संबंधित प्रश्न
Give examples of unconditional reflexes
What are the various sense organs in our body?
Name the function of cerebrum.
P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.
(a) What is P? Name five organs which contain cells (or group of cells) like P.
(b) Name the nerves Q.
(c) What is R? Give two examples of R.
(d) Name nerves S.
(e) How do messages travel through the nerves Q and S?
Write down the following activities in the correct order for a simple reflex arc:
(a) impulse travels in the motor fibre
(b) impulse travels in the sensory fibre
(c) effector organ stimulated
(d) impulse crosses the synapse
Put a tick mark (✓) against the correct alternative in the following statement:
The smell of good food causes watering of your mouth. It is a
With the help of suitable example, describe reflex action.
State whether the following is
Salivation when food is put in the mouth.
Differentiate between Voluntary and involuntary actions.
The reflex arc which is made up of one sensory and one motor neuron is ______
