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  2. Effects of high altitude on humans - Wikipedia

    en.wikipedia.org/wiki/Effects_of_high_altitude...

    At high altitude, in the short term, the lack of oxygen is sensed by the carotid bodies, which causes an increase in the breathing depth and rate . However, hyperpnea also causes the adverse effect of respiratory alkalosis , inhibiting the respiratory center from enhancing the respiratory rate as much as would be required.

  3. 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]

  4. High-altitude adaptation in humans - Wikipedia

    en.wikipedia.org/wiki/High-altitude_adaptation...

    The people of the Ethiopian highlands also live at extremely high altitudes, around 3,000 meters (9,800 ft) to 3,500 meters (11,500 ft). Highland Ethiopians exhibit elevated hemoglobin levels, like Andeans and lowlander humans at high altitudes, but do not exhibit the Andeans’ increase in oxygen content of hemoglobin. [49]

  5. Falling when you're elderly is dangerous. Here's how it ... - AOL

    www.aol.com/lifestyle/falling-youre-elderly...

    Boling also urges people who are unsteady to consider using a walking aid, such as a cane or walker. “I have a lot of patients who are proud and don’t want to use those,” she admits. “I ...

  6. 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.

  7. Respiratory tract - Wikipedia

    en.wikipedia.org/wiki/Respiratory_tract

    These hairs, called vibrissae, are thicker than body hair and effectively block larger particles from entering the respiratory tract. They also increase the surface area for particle deposition, improving the nose's ability to filter pathogens. [15] The cough reflex expels all irritants within the mucous membrane to the outside. The airways of ...

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

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

    We tapped doctors, including an allergist and ear, nose, and throat specialists, for more information on the proper nose-blowing technique—including what may happen if you do it the wrong way ...

  9. Inner ear decompression sickness - Wikipedia

    en.wikipedia.org/wiki/Inner_ear_decompression...

    The symptoms of IEDCS are not easily discriminated from symptoms of inner ear barotrauma, and a possible necessity for bilateral myringotomy should be assessed before hyperbaric oxygen therapy is started. In practice, if there is uncertainty about a diagnosis of barotrauma, recompression does not appear to cause harm.

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