Question

The main functions of sympathetic nervous system are _______________________ .

• A. Dilation of blood vessels and increase blood pressure.
• B. Contraction of muscles and secretion of sweat.
• C. Dilation of bronchi and contraction of the heart.
• D. All of the given options.

Answer 1

The correct option is D

All of the given options.

The sympathetic nervous system mainly works when there are threats or during emergencies. The main functions of the sympathetic nervous system are to dilate blood vessels, increase blood pressure, contract muscles, secrete sweat from sweat glands, dilate bronchi for more oxygen exchange and contraction of heart which helps the body prepare to face emergency situations.