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प्रश्न
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 |
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उत्तर
| Situation | Organ/body part | Change/action | Part of autonomic nervous system involved |
| 1. You have entered a dark room | Eye | Pupil dilates | Sympathetic |
| 2. Your body is consuming lot of glucose while running a race | Liver | Glycogen is converted into glucose in liver | Sympathetic |
| 3. You are chewing a tasty food | Salivary gland | Salivation increases | Parasympathetic |
| 4. You are running a race | Adrenal gland | Release of adrenaline and noradrenaline increases | Sympathetic |
| 5. You are retiring to bed for sleep | Heart | Heart rate slows down | Parasympathetic |
| 6. You are shivering in intense cold | Body hairs | Hair raised | Sympathetic |
संबंधित प्रश्न
Mention the exact location of the Islets of Langerhans
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
Explain the following term :
Autonomic nervous system
Explain the divisions of the nervous system.
The Centre for the sense of smell is ______
Name the following:
Two parts of the autonomic nervous system
Write full form of the following abbreviation:
PNS
Write full form of the following abbreviation:
ANS
While watching a scary movie, mention its effects on the following organs by the autonomous nervous system in the table given below: (one has been done for you as an example).
| Organ | Sympathetic System | Parasympathetic System | |
| e.g. Lungs | Dilates bronchi and bronchioles | Constricts bronchi and bronchioles | |
| (1) | Heart | ______ | ______ |
| (2) | Pupil of the eye | ______ | ______ |
| (3) | Salivary gland | ______ | ______ |
