The inner lining of the uterus, which thickens each cycle and is shed during menstruation, is the
Correct answer: B. endometrium
- A. perimetrium
- B. endometrium
- C. myometrium
- D. cervix
Explanation
The endometrium is the hormonally responsive layer where the embryo implants. The myometrium is the muscular wall that contracts in labour and the perimetrium the outer covering, so only the endometrium is shed in menstruation.
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About Human Reproductive System
The human reproductive system includes the male and female organs that produce gametes, secrete sex hormones and support fertilization and development. Questions cover the testes, ovaries, reproductive ducts, menstrual and ovarian cycles, ovulation, fertilization, implantation, placenta formation and the roles of FSH, LH, oestrogen, progesterone and testosterone.
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