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  1. Human reproductive system | Definition, Diagram & Facts | Britannica

    Nov 27, 2025 · This articles describes the organs, both male and female, that are involved in human reproduction. The reproductive process itself is covered in other articles.

  2. Reproduction | Definition, Examples, Types, Importance, & Facts ...

    Dec 16, 2025 · Reproduction, process by which organisms replicate themselves. Reproduction is one of the most important concepts in biology: it means making a copy, a likeness, and thereby providing …

  3. Sexual reproduction | Definition, Process, & Plants | Britannica

    Nov 27, 2025 · sexual reproduction, the production of new organisms by the combination of genetic information of two individuals of different sexes. In most species the genetic information is carried on …

  4. reproductive system - Students | Britannica Kids | Homework Help

    Reproduction is the process by which a living organism creates a likeness of itself. The process may be either asexual—meaning that an organism reproduces by itself alone—or sexual—which requires …

  5. Fertilization | Steps, Process, & Facts | Britannica

    Jan 2, 2026 · What is fertilization in reproduction? Why is fertilization important for living things? How does fertilization usually happen in animals? What is the difference between internal and external …

  6. Human reproductive system - Female Anatomy, Hormones, …

    Nov 27, 2025 · Human reproductive system - Female Anatomy, Hormones, Reproduction: The female gonads, or sexual glands, are the ovaries; they are the source of ova (eggs) and of the female sex …

  7. Human reproductive system - Ovaries, Hormones, Reproduction

    Nov 27, 2025 · Human reproductive system - Ovaries, Hormones, Reproduction: The female gonads, or primary sex organs, corresponding to the testes in a male, are the two ovaries. Each is suspended …

  8. Human reproductive system - Male Anatomy, Hormones, Reproduction ...

    Nov 27, 2025 · Human reproductive system - Male Anatomy, Hormones, Reproduction: The male gonads are the testes; they are the source of spermatozoa and also of male sex hormones called …

  9. Asexual reproduction | biology | Britannica

    Both homosporous and heterosporous life histories may exhibit various types of asexual reproduction (vegetative reproduction, somatic reproduction). Asexual reproduction is any reproductive process …

  10. Human reproductive system - Testes, Hormones, Anatomy | Britannica

    Nov 27, 2025 · Human reproductive system - Testes, Hormones, Anatomy: The two testes, or testicles, which usually complete their descent into the scrotum from their point of origin on the back wall of the …