Q6 of 102 Page 118

During a street fight between two individuals, mention the 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































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



Dilates



Constricts



(3) Salivary gland



Inhibits the secretion of saliva causing the drying of the mouth



Stimulates the release of saliva




Explanation: The sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. The parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.


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