________ hyposecretion (under-secretion) results in symptoms of fatigue, weight gain, low body temperature, and mental sluggishness.

The pituitary hormone that controls hormone synthesis and release from the thyroid gland is ________.

Cryptorchidism is ________.

The ________ regulates testicular temperature.

A sharp and sudden surge of ________ triggers ovulation.

Evaluate the following statements.I. Cells in the brain may metabolize glucose or fatty acids for energy, but not proteins.II. Cells in the brain uptake glucose in an insulin-independent manner.

Which of the following is NOT an erectile tissue in either males or females?

In ________, cells in physical contact communicate through gap junctions.

Bonus. Which of the following conditions is characterized by the excessive production of dilute urine?

Bonus. The ________ initially stimulates the differentiation of bipotential gonads into testes.