Biology
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 |
Answer
Organ | Sympathetic System | Parasympathetic System |
---|---|---|
e.g. Lungs | Dilates bronchi and bronchioles | Constricts bronchi and bronchioles |
(1) Heart | Accelerates heartbeat | Retards heartbeat |
(2) Pupil of the eye | Dilation | Constriction |
(3) Salivary gland | Inhibits secretion of saliva (dryness of the mouth) | Stimulates secretion of saliva. |
Related Questions
Distinguish between Nerve impulse and flow of electricity (transmission and speed).
Distinguish between Medulla oblongata and cerebellum (function).
Give reason:
The brain and the spinal cord are referred to as the central nervous system.
Give reason:
Neurotransmitters are broken down by an enzyme just after passing an impulse from one neuron to the other.