While waiting to begin his college entrance exam, John becomes nervous. As a result, his medulla oblongata begins to function differently. This will cause a change in his ____.

While waiting to begin his college entrance exam, John becomes nervous. As a result, his medulla oblongata begins to function differently. This will cause a change in his ____.

a. emotional experience
b. balance and coordination
c. heart rate and breathing
d. memory

Correct answer is option C. heart rate and breathing. Explanation: While waiting to begin his college entrance exam, John becomes nervous. As a result, his medulla oblongata begins to function differently. This will cause a change in his heart rate and breathing.