A feedback system controls the menstrual cycle. How does a female respond
to a sharp drop in luteinizing hormone?

A. With a gradual rise in the progesterone level
B. With the immediate release of a mature egg
C. With the immediate beginning of a new cycle
D. With a quick rise in the estrogen level

Abnormal softening of a gland is known as

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.

Name the tissue types that form the wall of each organ in questions 7-10