The menstrual cycle

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A hollow muscular organ in the pelvic cavity of females (4)
  2. 5. The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has (7)
  3. 9. Any small spherical group of cells containing a cavity (8)
  4. 10. The monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause (12)
  5. 13. Any of various organs that synthesize substances needed by the body and release it through ducts (5)
  6. 14. Mental ability (5)
  7. 15. A protective covering that protects an inside surface (6)
  8. 16. A hollow muscular organ in the pelvic cavity of females (6)

Down

  1. 1. An interval during which a recurring sequence of events occurs (5)
  2. 3. One of usually two organs that produce ova and secrete estrogen and progesterone (5)
  3. 4. A gonadotropic hormone that is secreted by the anterior pituitary and stimulates growth of Graafian (3)
  4. 6. The expulsion of an ovum from the ovary (9)
  5. 7. The master gland of the endocrine system (9)
  6. 8. The interval taken to complete one cycle of a regularly repeating phenomenon (6)
  7. 11. The secretion of an ___ gland that is transmitted by the blood to the tissue on which it has (9)
  8. 12. Animal reproductive body consisting of an ovum or embryo together with nutritive and protective (3)