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प्रश्न
Which sensory organ is involved in vertigo (sensation of oneself or objects spinning around)?
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उत्तर
The vestibular system of the inner ear is associated with vertigo.
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संबंधित प्रश्न
How are involuntary actions and reflex actions different from each other?
Give examples of unconditional reflexes
State one function each of cerebellum and pons.
Which part of the eye contains cells which are sensitive to light?
Give three examples of reflex actions.
What is spinal cord? What is its main function?
Write the names of the regions in hindbrain. Give one function of each region.
The gustatory receptors of our body are in one of the following organs. This organ is :
a) ear
(b) nose
(c) tongue
(d) skin
When we touch a hot plate unknowingly, then this heat is sensed by a receptor P present in our fingers. The receptor triggers and impulse in neuron Q which transmits the message to an organ R which is a part of the central nervous system. Here the impulse is passed on to a neuron S which in turn passes it to a yet another neuron T. The neuron T passes the impulse to a tissue U in our arm. The tissue U then contracts and pulls our hand away from the hot plate.
(a) What is the name of (i) receptor P (ii) neuron Q, and (iii) organ R?
(b) What is (i) neuron S, and (ii) neuron T?
(c) Name the tissue U.
(d) What name is given to the phenomenon in which hand is pulled away quickly from the hot plate?
(e) Name the effector in this whole process.
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
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
Give one example of a conditioned reflex in your own life.
Explain the following term :
Conditioned reflex
State whether the following is
Playing on the Keyboard
What type of reflex is the following?
Formation of goose-pimples in cold weather.
Give Technical Term:
Response to a stimulus without the intervention of the will of an animal.
Mention, if the following statement is True or False
A reflex action is a spontaneous response to a stimulus.
The reflex arc which is made up of one sensory and one motor neuron is ______
Reflex actions are mediated through ____________.
