Answer:
The immune system is weakened.
Step-by-step explanation:
Cortisol is the steroid hormone released by the adrenal gland of the kidney. This hormone is included in the class of glucocorticoid and released in the stress situation.
The cortisol regulates the blood glucose level and suppress the immune system during the stress condition. The prolonged secretion of cortisol suppress the immune system of the body for long time. This will effect the weaken system and makes its weak permanently.
Thus, the correct answer is option (B).