The inner ear also contains a complex system called vestibular
apparatus, located above the cochlea.What is it composed of ?
The vestibular apparatus is composed of three semi-circular canals and the otolith (macula is the sensory part of saccule and utricle).
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15
What is a reflex action ?
The entire process of response to a peripheral nervous stimulation, that occurs involuntarily is called a reflex action.
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15
In the given figure of synapse few structure are marked as 1, 2, 3, and 4. Study the figure carefully and identify the structure which transmits signal across a chemical synapse. And name it.
2, When an impulse, or nerve signal reaches the end of axon, the synaptic vesicle release a neurotransmitter into the small space between the adjoining cells.
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10
What are the 2 different types of Fibres in PNS ?
The nerve fibres of the PNS are of two types :
(a) afferent fibres
(b) efferent fibres
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5
In the given diagram of brain what does "1" represent?
Cerebellum
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10
What is Resting Potential?
The electrical potential difference across the resting plasma membrane is called as the Resting Potential.