How does PTH increase blood Ca2+ levels?

Epinephrine and norepinephrine are produced in the _________________.

The primary stimulus for the release of insulin is  _______________.

Increasing the uptake of iodide by the thyroid gland and increasing the growth of the thyroid gland are two functions of the __________________________.

An infant suckling at a mother’s breast will stimulate the mother’s hypothalamus to release ____________ which then stimulates __________________.

In order to synthesize thyroid hormones, which materials must be available?

The zona fasciculata of the adrenal cortex produces _______________.  

The interstitial cells of Leydig produce ________________________.

____________ is liberated into the blood by the neurohypophysis and targets the kidney tubules.

How do you explain the relationship between the pineal gland and circadian rhythms?