Human Reproduction
Human reproduction encompasses the whole process from fertilization to childbirth. Humans are sexually reproducing, internally fertilizing, and viviparous organisms. The reproductive system of humans includes the primary sex organs that produce the gametes, and secondary organs that show secondary sexual characteristics that separate males from females and help in the whole process of reproduction. We humans are sexually dimorphic i.e. there is a remarkable difference between male and female reproductive events, and these events only occur when a person achieves puberty. The events include the following stages;
- Gametogenesis i.e. formation of gametes
- Insemination i.e. the transfer of gametes from male to female
- Fertilization i.e. fusion of the male and female gamete
- Formation and development of the zygote into the blastocyst
- Implantation i.e. the attachment of the blastocyst into the uterine wall
- Gestation i.e. the embryonic development
- Parturition i.e. delivery of the baby
- Lactation i.e. feeding of milk from mammary glands by the mother to the baby
NCERT Notes on Human Reproduction Class 12 Chapter 2
NCERT Notes of Class 12 Chapter 2 Human Reproduction: Human reproduction is the biological process by which a new individual offspring is produced from one or two parent organisms. The Human Reproduction process involves the fusion of gametes, which are specialized cells that carry genetic information from each parent, resulting in the formation of a zygote.