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  1. www.kenhub.com › en › libraryAnatomy of breathing: Process and muscles of respiration - Kenhub

    31 sie 2023 · In the medical world, breathing is defined as pulmonary ventilation, described as the movement of air between the atmosphere and the lung alveoli. It involves two events: inspiration , when the air moves into the lungs and expiration , when the air leaves the lungs.

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  2. www.nhlbi.nih.gov › health › lungsHow the Lungs Work How Your Body Controls Breathing

    24 mar 2022 · When you exhale, the muscles relax and the lungs deflate on their own, much like an elastic balloon will deflate if left open to the air. Your breathing muscles include: The diaphragm: This dome-shaped muscle below your lungs separates the chest cavity from the abdominal cavity.

  3. www.visiblebody.com › learn › respiratoryUpper Respiratory System | Respiratory Anatomy - Visible Body

    The nose detects odor molecules and helps filter and warm the air we inhale. The upper respiratory system, or upper respiratory tract, consists of the nose and nasal cavity, the pharynx, and the larynx.

  4. www.nhlbi.nih.gov › health › lungsHow the Lungs Work - The Lungs - NHLBI, NIH

    24 mar 2022 · Your lungs are the pair of spongy, pinkish-gray organs in your chest. When you inhale (breathe in), air enters your lungs, and oxygen from that air moves to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathed out).

  5. geekymedics.com › mechanMechanics of Breathing | Ventilation - Geeky Medics

    15 mar 2020 · An overview of the mechanics of breathing, including inspiration, expiration, active breathing and relevant pathology.

  6. www.nhlbi.nih.gov › health › lungsHow the Lungs Work What Breathing Does for the Body

    24 mar 2022 · When you breathe out, or exhale, your diaphragm and rib muscles relax, reducing the space in the chest cavity. As the chest cavity gets smaller, your lungs deflate, similar to how air releases from a balloon.

  7. open.oregonstate.education › aandp › chapter22.3 The Process of Breathing – Anatomy & Physiology

    Pressure Relationships. Inspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and the lungs. In a gas, pressure is a force created by the movement of gas molecules that are confined.