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Question
Explain the following term :
Autonomic nervous system
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Solution
It is a part of the peripheral nervous system. It consists of a pair of chains of nerves and ganglia on either side of the backbone. It controls the involuntary actions of the internal organs.
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Given below are a few situations. What effective change will occur in the organ/body part mentioned and which part (sympathetic or parasympathetic) of the autonomic nervous system brings it about?
| Situation | Organ/body part | Change/action | Part of autonomic nervous system involved |
| 1. You have entered a dark room | Eye | ||
| 2. Your body is consuming lot of glucose while running a race | Liver | ||
| 3. You are chewing a tasty food | Salivary gland | ||
| 4. You are running a race | Adrenal gland | ||
| 5. You are retiring to bed for sleep | Heart | ||
| 6. You are shivering in intense cold | Body hairs |
Name the following:
Nervous system including brain and spinal cord.
Name the following:
Sympathetic and parasympathetic jointly forms.
Define the following:
Cyton
Write full form of the following abbreviation:
CNS
Distinguish between the following pair:
Sympathetic nervous system and parasympathatic nervous system (location and role)
