When confronted with a stressful event, your sympathetic nervous system speeds up your stomach's digestive activity. triggers an increase in the production of disease-fighting lymphocytes. speeds up the removal of fat from your bloodstream. increases your heart rate and respiration?

The correct choice is increases your heart rate and respiration.

Your sympathetic nervous system increases your heart rate and respiration when confronted with a stressful event.

sympathetic nervous system also mobilizes body for action, increases breathing and sweating, makes pupils dilated ad lastly decreases stomach's activity.