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  1. The Diaphragm: Anatomy and Function - Verywell Health

    Dec 7, 2025 · The diaphragm is a dome-shaped muscle separating the chest from the abdomen. It is the main muscle used for breathing and is involved in other functions.

  2. What is the Diaphragm? Related Conditions - Cleveland Clinic

    Diaphragm The diaphragm is a muscle that helps you breathe. It sits under your lungs and separates your chest cavity from your abdomen. Many conditions, injuries and diseases can …

  3. Thoracic diaphragm - Wikipedia

    While the diaphragm is one muscle, it is composed of two distinct muscle regions: the costal, which serves as the driver in the work of breathing, and crural diaphragm, which serves as an …

  4. Diaphragm | Definition, Function, & Location | Britannica

    Nov 10, 2025 · Diaphragm, dome-shaped, muscular and membranous structure that separates the thoracic and abdominal cavities in mammals; it is the principal muscle of respiration.

  5. Diaphragm: Location, anatomy, innervation and function | Kenhub

    Sep 19, 2023 · The diaphragm is much more than just a sheath separating your thoracic and abdominal cavities. This article will examine this intricate and crucial muscle in detail, looking …

  6. How the Diaphragm Works: From Anatomy to Breathing

    The diaphragm is a sheet of skeletal muscle situated at the base of the chest, serving as the primary engine for the body’s respiratory system. This muscle separates the thoracic cavity, …

  7. The Diaphragm - Actions - Innervation - TeachMeAnatomy

    Nov 6, 2025 · The diaphragm is a double-domed sheet of skeletal muscle, located at the inferior-most aspect of the rib cage. It separates the thoracic cavity from the abdominal cavity.

  8. Diaphragm - Structure, Function & Location

    The diaphragm is a dome-shaped, musculotendinous structure that acts as the primary muscle of respiration. It separates the thoracic cavity from the abdominal cavity and contracts …

  9. Diaphragm: Overview and Practice Questions (2025)

    Dec 9, 2025 · The diaphragm is a dome-shaped sheet of skeletal muscle located beneath the lungs, separating the thoracic cavity from the abdominal cavity. Despite its simple appearance, …

  10. What Is The Diaphragm And What Does It Do? | Vital Body …

    The diaphragm is a thin, dome-shaped sheet of skeletal muscle that separates the thoracic cavity (chest) from the abdominal cavity. It sits just below the lungs and heart, attaching to the lower …