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प्रश्न
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Receptor : Sensory nerve :: Motor nerve : ______.
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उत्तर
Receptor : Sensory nerve :: Motor nerve : Effector .
संबंधित प्रश्न
Give examples of unconditional reflexes
What is meant by receptors and effectors? Give two examples of each.
Which of the following cannot be considered a receptor?
(a) ear
(b) nose
(c) muscle
(d) eye
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
A cylindrical structure P in our body begins in continuation with medulla and extends downwards. It is enclosed in a bony cage Q and surrounded by membranes R. As many as x pairs of nerves arise from the structure P. The structure P is involved in the reflex actions of our body and conduction of nerve impulses to and from another organ S of our body with which it forms CNS.
(a) Name the structure P.
(b) Name (i) bony cage Q, and (ii) membranes R.
(c) How much is x?
(d) Name the organs S.
(e) What are the reflexes involving structure P only known as?
Explain the mechanism of reflex action with the help of a suitable diagram.
Give one example of a conditioned reflex in your own life.
A change in the environment that causes an animal to react is called ______.
Differentiate between Voluntary and involuntary actions.
