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  2. Nasal cannula - Wikipedia

    en.wikipedia.org/wiki/Nasal_cannula

    The nasal cannula (NC) is a device used to deliver supplemental oxygen or increased airflow to a patient or person in need of respiratory help. This device consists of a lightweight tube which on one end splits into two prongs which are placed in the nostrils curving toward the sinuses behind the nose, and from which a mixture of air and oxygen flows. [1]

  3. Listener fatigue - Wikipedia

    en.wikipedia.org/wiki/Listener_fatigue

    The temperature and heat levels of the body are directly correlated with the temporary threshold shifts of the ear. [8] When the levels of blood temperature increase, these threshold shifts increase as well. The transduction of sounds requires an oxygen supply that will be readily depleted due to the prolonged threshold shifts.

  4. Respiratory system - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system

    In humans and other mammals, the anatomy of a typical respiratory system is the respiratory tract.The tract is divided into an upper and a lower respiratory tract.The upper tract includes the nose, nasal cavities, sinuses, pharynx and the part of the larynx above the vocal folds.

  5. Inhaling pure oxygen could keep your brain younger for longer

    www.aol.com/lifestyle/inhaling-pure-oxygen-could...

    Subjects take part in hyperbaric oxygen therapy in Florida. There’s no cure for it, and it’s much more than skin-deep—aging takes a severe toll on our neurological well-being. Although ...

  6. Doctors Say This Is the Best, Most Effective Way to ... - AOL

    www.aol.com/doctors-best-most-effective-way...

    Some people will pinch the bridge of their nose shut while blowing, but research has found that blowing your nose without pinching is safer and better at getting rid of mucus.

  7. Mouth-to-mouth resuscitation - Wikipedia

    en.wikipedia.org/wiki/Mouth-to-mouth_resuscitation

    The amount of oxygen available to the patient in mouth-to-mouth is around 16%. If this is done through a pocket mask with an oxygen flow, this increases to 40% oxygen. If either a bag valve mask or a mechanical ventilator is used with an oxygen supply, this rises to 99% oxygen. The greater the oxygen concentration, the more efficient the ...

  8. The best wireless headphones for seniors in 2025 - AOL

    www.aol.com/lifestyle/best-wireless-headphones...

    Modern over-the-ear headphones offer incredible sound and impressive noise-cancelling, often for a surprisingly low price. (Photos: 1More, Soundcore, Sony)

  9. Respiratory tract - Wikipedia

    en.wikipedia.org/wiki/Respiratory_tract

    In the lungs, oxygen from the inhaled air is transferred into the blood and circulated throughout the body. Carbon dioxide (CO 2 ) is transferred from returning blood back into gaseous form in the lungs and exhaled through the lower respiratory tract and then the upper, to complete the process of breathing .

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