1 Sulfur Crystals: History and its Uses Sulfur is a chemical element that is widely abundant in nature. 2  It is classified as a multivalent non-metal. 3  Sulfur's symbol is S and its atomic number 16.
Question and answer. The __________ and __________ are the glands that stimulate reproductive cycles. A. testes. . . thyroid B. testes. . . ovaries C. ovaries. . . thyroid D. ovaries. . . thymus. The testes and ovaries are the glands that stimulate reproductive cycles. Expert answered| emdjay23 |Points 2484|.
(anterior lobe of the pituitary synthesizes and secretes 6 principal hormones) (LH) LH is also secreted by the gonadotropes. In females, it stimulates ovulation, the release of an egg. It is named for the fact that after ovluation, the follicle becomes a yellowish body called the corpus luteum.