When You Are Frightened or Angry, Your Heart Rate and Blood

Multiple Choice

When you are frightened or angry, your heart rate and blood pressure rise; stored sugar is released into the bloodstream for quick energy; your muscles tense and receive more blood; and your blood is prepared to clot more quickly in case of injury. These changes are controlled by the autonomic nervous system (ANS) , specifically, the sympathetic branch, which causes the adrenal glands to release the hormones

A) androgen and estrogen.
B) melatonin and oxytocin.
C) insulin and serotonin.
D) epinephrine and norepinephrine.