Human Reproduction
Human life begins with precisely coordinated reproductive events. This chapter in NCERT Class 12 Biology, Chapter 2, describes male and female reproductive systems, gamete formation, menstrual cycle, fertilisation, implantation, pregnancy, placenta, childbirth and lactation. It explains sperm and egg structure, hormonal control and the support a growing foetus needs. You will learn the sequence from puberty to birth, the roles of each organ, and how knowledge of reproduction underlies health and family welfare.
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