In human females, the periodic reproductive cycle is completed in approximately_days:
Correct answer: B. 28
- A. 20
- B. 28
- C. 30
- D. 40
Explanation
Based on the explanations provided, the correct answer to the question is option B) 28 days. The average length of the menstrual cycle in most women is approximately 28 days, although individual variations are common.
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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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