Question

Two systems which exert opposite influence on the same organs or set of organs are

• A. Endocrine and exocrine gland systems
• B. Muscular and nervous systems
• C. Endocrine and nervous systems
• D. Sympathetic and parasympathetic systems

Answer 1

The correct option is D Sympathetic and parasympathetic systems

Two systems which exert opposite influence on the same organs or set of organs are sympathetic and parasympathetic systems. Both of these control involuntary activities, e.g., the sympathetic system increases contraction and rate of heartbeat while parasympathetic systems decreases contraction and rate of heartbeat.