Answer Happy

Question 4 An individual, driving through his neighborhood, suddenly jams on his car brakes to avoid hitting a child who runs into the road after a ball. A few seconds later, the driver finds that he is shaking and his heart is pounding. This is primarily due to the secretion of which one of the following? epinephrine from the adrenal medulla cortisol from the adrenal cortex insulin from the pancreas thyroxine from the thyroid norepinephrine from the adrenal cortex Question 5 Thyroxine (T4) is released from the thyroid gland in response to the presence of ACTH TSH O FSH LH GH

1 pts Question 6 The thymus produces two peptides that function to regulate iodine levels in the thyroid. aid in the maturation of T lymphocytes. regulate thyroxine release. O increase blood calcium levels. O promote the breakdown of bone.