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प्रश्न
Explain the Term: Reflex action
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उत्तर
Reflex action is an action which is nearly instantaneous and not under the control of the will. The impulse passes from the sensory cells of the receptor organ along the dorsal root into the spinal cord. From here two messages pass simultaneously—one to the brain and the other travels out along the ventral root to reach the muscle which immediately responds
संबंधित प्रश्न
Electrical impulse travels in a neuron from:
What are nerves?
Name the three main parts of the human brain.
Fill in the blank:
Central nervous system consists of ................. and ................
Choose the odd one out from the following terms and name the category to which the others belong.
Parasympathetic, Sympathetic, Cranial nerve
Where is this located?
Effector organs
State the Function:
Myelin sheath
State the Function:
Acetylcholine
Degeneration of dopamine producing neurons in the CNS causes ______ disease.
Nervous system is well developed in human and is composed of ______ or ______.
