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प्रश्न
Fill in the following blanks with suitable words :
Our.............system allows us to react to our surroundings. Information from receptors passes along...........neurons to our brain. Our brain sends impulses along..........neurons to our muscles.
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उत्तर
Our nervous system allows us to react to our surroundings. Information from receptors passes along the sensory neurons to our brain. Our brain sends impulses along the motor neurons to our muscles.
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संबंधित प्रश्न
Which part of the brain maintains posture and equilibrium of the body?
Give examples of unconditional reflexes
Name two parts of the body which contain receptors of chemical stimuli.
Give the functions of medulla.
Name the function of cerebrum.
A person walks across a room in barefeet and puts his foot on a drawing pin lying on the floor. He lets out a cry. Explain what happens in his nervous system in bringing about this response.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the smell of the food?
Give the various functions of brain.
The gustatory receptors of our body are in one of the following organs. This organ is :
a) ear
(b) nose
(c) tongue
(d) skin
The contraction of pupil of the eye in the presence of bright light is an example of :
(a) Voluntary reflex
(b) Spinal reflex
(c) Cerebral reflex
(d) Adrenal reflex
List in tabular form three distinguishing features between cerebrum and cerebellum.
Explain the following term :
Conditioned reflex
What type of reflex is the following?
Formation of goose-pimples in cold weather.
Mention, if the following statement is True or False
A reflex action is a spontaneous response to a stimulus.
Complete the following sentence with appropriate Word
A reflex arc in man is best described as movement of stimuli from:
What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
Which of the following is an example of unconditioned reflex?
Which of the following is not involved in Knee-jerk reflex?
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
