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  1. Inhalation - Wikipedia

    Inhalation (or inspiration) happens when air or other gases enter the lungs. Inhalation of air, as part of the cycle of breathing, is a vital process for all human life. The process is autonomic (though there …

  2. How the Lungs Work - What Breathing Does for the Body | NHLBI, NIH

    Jun 27, 2025 · When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your …

  3. What Is Inhalation and How Does It Work? - Biology Insights

    Aug 23, 2025 · Inhalation is a fundamental biological process that allows living organisms to draw air from their surroundings into their lungs. This action initiates the respiratory cycle, a continuous …

  4. 39.9: Breathing - The Mechanics of Human Breathing

    The process of inhalation occurs due to an increase in the lung volume (diaphragm contraction and chest wall expansion) which results in a decrease in lung pressure in comparison to the atmosphere; …

  5. INHALATION Definition & Meaning - Merriam-Webster

    The meaning of INHALATION is the act or an instance of inhaling.

  6. What is: Inhalation - Understanding the Process

    Oct 5, 2024 · What is Inhalation? Inhalation is the process by which air is drawn into the lungs, allowing for the exchange of gases necessary for respiration. This fundamental biological function is essential …

  7. INHALATION | English meaning - Cambridge Dictionary

    INHALATION definition: 1. the action of breathing air, smoke, or gas into your lungs: 2. the action of breathing air…. Learn more.

  8. Inhalation | definition of inhalation by Medical dictionary

    1. the drawing of air or other substances into the airways and lungs; see also aspiration. Called also inspiration. 2. any drug or solution of drugs administered (as by means of nebulizers or aerosols) by …

  9. INHALATION Definition & Meaning | Dictionary.com

    INHALATION definition: an act or instance of inhaling. See examples of inhalation used in a sentence.

  10. Inhalation Definition - General Biology I Key Term | Fiveable

    Inhalation creates a negative pressure inside the thoracic cavity, which draws air into the lungs through the trachea. The process of inhalation is primarily controlled by the respiratory center in the …