Providing the Science
Mestrual cycle
Produced by endocrine glands Male endocrine glands = Testes Female endocrine glands = Ovaries.
Female Hormonal Cycle or the MENSTRUAL CYCLE MENSTRUAL CYCLE Normal cycle length is considered 28 days, however it can range from 20-45 days divided.
PART 2B THE FEMALE REPRODUCTIVE SYSTEM - HORMONES.
