Structure B is labeled as:
Correct answer: A. Cervix - narrow neck of uterus connecting to vagina
- A. Cervix - narrow neck of uterus connecting to vagina
- B. Ovary - produces hormones
- C. Uterine tube - transports ovum
- D. Vagina - site of fertilization
Explanation
Cervix forms a canal between the uterus and vagina and acts as a barrier to pathogens.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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