12. The functional respiratory units where gas exchange occurs are the:

 Thermoregulation refers to:

The opening connecting the uterus to the cervical canal is the

Secretory cells of the adenohypophysis release all of the following except 

The granulosa cells of developing follicles work with thecal cells to produce

The stages that occur during spermatogenesis are a: Spermatidb: Primary spermatocytec: Spermatogoniumd: Sperme: Secondary spermatocyteWhat is the correct order of occurrence of these stages?

The corpus luteum secretes ________.

Figure 16.3Using Figure 16.3, match the following:Excess hormone levels from this region result in Cushing’s syndrome.

The ________ penetrates the urogenital diaphragm.

Figure 16-1Identify the hormone labeled “13.”