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  1. Breathing - Wikipedia

    Breathing (respiration[1] or ventilation) is the rhythmic process of moving air into (inhalation) and out of (exhalation) the lungs to enable gas exchange with the internal environment, primarily to …

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

    Jun 27, 2025 · Breathing involves two phases: breathing in and breathing out. If you have problems breathing, gas exchange may be impaired, which can be a serious health problem.

  3. The mechanics of breathing - Encyclopedia Britannica

    Dec 5, 2025 · The energy expended on breathing is used primarily in stretching the lung–chest system and thus causing airflow. It normally amounts to 1 percent of the basal energy …

  4. Normal Breathing and Respiration: An Overview (2026)

    2 days ago · Learn about the process of normal breathing, how it works, and the essential role each step plays in supporting healthy respiration.

  5. What happens when you breathe | Resmed

    Learn what happens during normal breathing, the parts of the respiratory system and how they work together with this overview from ResMed.

  6. Breathing Techniques - Johns Hopkins Medicine

    Breathing control is about the best use of your main breathing muscle - your diaphragm. The focus is on reducing tension and using your shoulder and neck muscles to get into the best …

  7. Breathing - Health Video: MedlinePlus Medical Encyclopedia

    Jan 8, 2025 · The process of breathing, or respiration, is divided into two distinct phases. The first phase is called inspiration, or inhaling. When the lungs inhale, the diaphragm contracts and …

  8. How Breathing Works | Department of Otolaryngology–Head

    During breathing, the diaphragm and other muscles of respiration (such as those between the ribs) contract to bring air into the lungs. In the lungs, your body receives oxygen. When these …

  9. Breathing | Canadian Lung Association

    What happens in your lungs when you breathe? When you take a breath through your nose or mouth, this air becomes warmer and more moist. The air moves through your voice box …

  10. How We Breathe - Physiopedia

    Breathing is one of our most crucial functions and is central to health - it is the foundation of movement, health, and wellbeing.[1][2] Respiration refers to the movement of oxygen into the …