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  1. Sperm - Wikipedia

    Sperm (pl.: sperm or sperms) is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction (forms in which there is a larger, female reproductive cell and a smaller, male one).

  2. Sperm: Cells, How Long It Lives, Anatomy & Function

    Jul 25, 2024 · Sperm are male reproductive cells. They look like tadpoles. Males start producing sperm around puberty. They can fertilize an ovum.

  3. Sperm: Everything you need to know - Medical News Today

    Mar 4, 2020 · Sperm are male reproductive cells that are one-half responsible for creating life. Read on to discover some facts about sperm and male fertility.

  4. Sperm Cell: Anatomy, Structure, Functions, Diseases

    Dec 16, 2025 · Discover how sperm cells develop, their intricate anatomy, crucial roles in reproduction, and common diseases affecting male fertility. Visual guides included.

  5. How Is Sperm Produced? - Healthline

    Jun 13, 2018 · When a man is stimulated for sexual activity, the sperm are mixed with seminal fluid — a whitish liquid produced by the seminal vesicles and the prostate gland — to form semen.

  6. Sperm: X and Y Chromosomes, Quantity, Inside Body

    Jun 3, 2024 · This article explains what sperm are, including their types and composition, their role in reproduction, and how many sperm cells are needed to achieve pregnancy.

  7. How Is Sperm Created? - Institute of Human Anatomy

    Jan 9, 2024 · Explore the Fascinating Process of How Sperm Is Created in the Male Body. Learn About the Biology Behind Male Fertility and the Stages of Sperm Development.

  8. Sperm: How Long Sperm Live, Sperm Count, and More - WebMD

    Oct 19, 2025 · What Is Sperm? Sperm are male sex cells. You might also hear them referred to as reproductive cells, or gametes. They fertilize female sex cells, called eggs or ova, which results in …

  9. Sperm | Definition, Function, Life Cycle, & Facts | Britannica

    6 days ago · Sperm, male reproductive cell, produced by most animals. In higher vertebrates, especially mammals, sperm are produced in the testes. The sperm unites with (fertilizes) the ovum (egg) of a …

  10. How Is Sperm Produced? - WebMD

    Nov 11, 2022 · Learn all about sperm production and discover what sperm is made of, how many are made, and how to produce healthier sperm.