If someone experiences contractions of the heart muscle, increased lung capacity, increased energy, and widened pupils, then which hormone is likely responsible for these effects?

Question

Quizplus · Accepted Answer

Adrenaline is responsible for these effects, as it is a hormone released by the adrenal glands in response to stress or danger. It increases heart rate and cardiac output, dilates bronchial tubes to increase lung capacity, mobilizes energy resources, and causes relaxation of the smooth muscle in the eye to widen the pupils.

If Someone Experiences Contractions of the Heart Muscle, Increased Lung