Which stage of the human life cycle occurs first?
Correct answer: D. Childhood
- A. Puberty
- B. Adulthood
- C. Adolescence
- D. Childhood
Explanation
Childhood typically refers to the period of life between infancy and adolescence. It encompasses the early years of life when physical and cognitive development is rapid, and individuals are dependent on caregivers for their basic needs.
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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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