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  1. Human reproductive system | Definition, Diagram & Facts

    Nov 27, 2025 · The principal functions of these structures are to transport the spermatozoa from the testes to the exterior, to allow their maturation on the way, and to provide certain …

  2. Human reproductive system - Male Anatomy, Hormones, …

    Nov 27, 2025 · The principal functions of these structures are to transport the spermatozoa from the testes to the exterior, to allow their maturation on the way, and to provide certain …

  3. 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 …

  4. human reproductive system summary | Britannica

    In early embryos, the reproductive systems are undetermined. By birth the organs appropriate to each sex have typically developed but are not functioning. They continue to grow, and at …

  5. Animal reproductive system | Physiology, Functions, & Facts

    animal reproductive system, any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which …

  6. Seminiferous tubule | anatomy | Britannica

    Within the walls of the tubules, also, are many randomly scattered cells, called Sertoli cells, that function to support and nourish the immature sperm cells by giving them nutrients and blood …

  7. Urogenital system | Urinary, Reproductive & Excretory | Britannica

    The major structures of the reproductive system in males are the testes, sperm ducts, urethra, and penis; in females, they are the ovaries, fallopian tubes, uterus, and vagina.

  8. reproductive system - Kids | Britannica Kids | Homework Help

    Men and women have different reproductive organs. A woman's ovaries produce egg cells, and her uterus can carry a developing baby. A man's testes produce sperm. Other glands add …

  9. Prostate gland | Anatomy & Function | Britannica

    Oct 17, 2025 · prostate gland, chestnut-shaped reproductive organ, located directly beneath the urinary bladder in the male, which adds secretions to the sperm during the ejaculation of …

  10. Human reproductive system - Testes, Hormones, Anatomy

    Sep 26, 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 …