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प्रश्न
Differentiate between the following pair of terms:
Receptor and effector.
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
Receptor, Spinal cord, Effector, Motor neuron, Sensory neuron.
Define the term Neuron.
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)
Name the following:
The third neuron that is involved in reflexes, other than simple reflex.
Differentiate between:
A Sensory neuron and a Motor neuron (function)
Differentiate between:
Rods and Cones.
The neurons which carry impulse from the central nervous system to the muscle fibre.
Select the motor nerves from the following group.
The longest fibre on the cell body of a neuron is called ____________.
Which part of a nerve cell contains a nucleus?
In a synapse, chemical signal is transmitted from
What is the correct direction of flow of electrical impulses?
Why is the flow of signals in a synapse from axonal end of one neuron to dendritic end of another neuron but not the reverse?
Each branch of the axon terminates as a bulb-like structure called ______
CNS is mostly made of ______
Chemicals which are released at the synaptic junction are called ______.
The basic structural and functional unit of brain is ______.
Name the following:
Three types of nerves.
Define the following term:
Synaptic cleft
