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प्रश्न
Explain the following term :
Autonomic nervous system
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उत्तर
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.
संबंधित प्रश्न
Mention the exact location of the Islets of Langerhans
Aqueous humour is present between the :
(A) Lens and Retina
(B) Iris and Lens
(C) Cornea and Iris
(D) Cornea and Lens
Why do you call the spinal cord and the brain as the central nervous system?
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 |
Given below is the partially incomplete scheme of the components of peripheral nervous system. Fill up the blanks numbered (1)-(12):
Define the following:
Cyton
Brain and spinal cord are the parts of ______ nervous system.
Write full form of the following abbreviation:
CNS
Write full form of the following abbreviation:
PNS
Write full form of the following abbreviation:
ANS
