Which of the following are required for fertilization to occur inside the female body?
Correct answer: D. All of the above
- A. Sperm must swim into a Fallopian tube
- B. An egg must be present in the Fallopian tube
- C. An egg must be present in the oviduct
- D. All of the above
Explanation
Sperm need to swim from the vagina through the cervix, into the uterus, and then into the fallopian tubes where fertilization typically occurs. Without sperm reaching the fallopian tube, fertilization cannot take place. For fertilization to occur, there must be an egg present in the fallopian tube (oviduct). The egg is released from the ovary during ovulation and travels down the fallopian tube. If there is no egg present in the fallopian tube, there is nothing for the sperm to fertilize.
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About Reproduction
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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