Answer:
Parathyroid
Explanation:
Parathyroid would mostly most likely to be uninvolved in the physiological response to the 80-year-old woman stress, because parathyroid glands are there to regulate blood calcium by secreting a hormone called parathyroid hormone (PTH). They are said to be a set of four glands of the endocrine system, behind the thyroid gland in the neck and they play other crucial roles in different body functions.