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प्रश्न
Differentiate between the following pair of terms:
Receptor and effector.
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उत्तर
Receptor: The nerve cell on receiving the stimulus sets up the waves of impulses towards the central nervous system.
Effector: Any muscle or gland on receiving the impulse from the brain (or the spinal cord), contracts or secretes.
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संबंधित प्रश्न
Differentiate between Spinal nerves and Cranial nerves (number of nerves).
State whether the following statement is true (T) or false (F):
Each neuron consists of three parts called cell body, cyton and axon.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
axon endings → nucleus → Dendrites → axon → perikaryon → Dendron(Neutron structure)
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Axon, Dendron, Photon, Cyton
A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called ____________.
Which part of a nerve cell contains a nucleus?
In a neuron, conversion of electrical signal to a chemical signal occurs at/in
In the following diagram choose the correct labelling for A, B, C, D and E respectively.
Any factor that can bring a change in the body of an organism is called ______.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Axons : Nerve :: Cytons : ______.
