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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. Where Does Male Sperm Come From and How It’s Made

    Learn how sperm are made, where they mature, and what role hormones play in the journey from production to ejaculation.

  4. 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.

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

    Feb 17, 2026 · 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.

  6. 'There's a huge amount that we don't understand': Why sperm is ... - BBC

    Jun 14, 2025 · There are huge gaps in what we know about sperm, from how they navigate to why sperm counts are tumbling. The BBC unravels why we know so little about this perplexing cell.

  7. What Is Sperm? Production, Anatomy, and Health - Biology Insights

    Jul 19, 2025 · Sperm are the male reproductive cells, each carrying half of the genetic information required to create an offspring. Their purpose is to travel to and fuse with a female egg cell, a …

  8. 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.

  9. 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.

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

    Feb 2, 2026 · 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 …