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|.
Secreted by: anterior pituitary Target tissues: testes, ovaries Function: stimulates secretion of testosterone in testes; triggers ovulation and stimulates secretion of estrogen and progesterone in ovaries.ecreted by: ovaries Target tissues: uterus, mammary glands, and other body cells involved in female sexual characteristics Function: stimulates development of female sex characteristics; helps regulate menstrual cycle.