The narrow lower end of the uterus that opens into the vagina is called the
Correct answer: B. cervix
- A. oviduct
- B. cervix
- C. ovary
- D. urethra
Explanation
The cervix produces mucus that changes through the cycle, guides sperm and protects the uterus during pregnancy. The urethra is part of the urinary system, a common confusion since both open near each other in the female.
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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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