____ damage occurs when there is a direct injury to the myocardium.

The adrenal cortex releases a steroid hormone that regulates the metabolism of fats, carbohydrates, sodium, potassium, and proteins. That hormone is:

a. cortisol. c. growth hormone. b. testosterone. d. beta-endorphins.

The body system that includes the nose, pharynx, larynx, trachea, bronchi, and lungs is the ____

A) digestive system B) lymphatic system C) respiratory system D) circulatory system