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    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia.
    Asthma nebulizer against white background. — Stock Photo
    Asthma nebulizer against white background.
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    Respiratory system of adult — Stock Photo
    Respiratory system of adult
    Boy blowing up yellow balloon on red background. — Stock Photo
    Boy blowing up yellow balloon on red background.
    Mitochondria cross-section, illustration. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidise sugars and fats to produce energy in a process called cellular respiration — Stock Photo
    Mitochondria cross-section, illustration. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidise sugars and fats to produce energy in a process called cellular respiration
    Human lungs with pneumonia and close-up of bacteria and viruses. — Stock Photo
    Human lungs with pneumonia and close-up of bacteria and viruses.
    Computer illustration of alveoli in human lungs — Stock Photo
    Computer illustration of alveoli in human lungs
    Bearded guy in sportswear sitting in Lotus pose and meditating with closed eyes and mudra gesture in spacious room with geometric wall and floor — Stock Photo
    Bearded guy in sportswear sitting in Lotus pose and meditating with closed eyes and mudra gesture in spacious room with geometric wall and floor
    Doctors practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctors practicing bag-valve-mask ventilation on training dummy.
    Female paramedic CPR training with dummy outdoors. — Stock Photo
    Female paramedic CPR training with dummy outdoors.
    Human sinuses cavities — Stock Photo
    Human sinuses cavities
    Instructor helping female paramedic using defibrillator training outdoors. — Stock Photo
    Instructor helping female paramedic using defibrillator training outdoors.
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    Illustration of Streptococcus pneumoniae bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Illustration of Streptococcus pneumoniae bacteria inside alveoli of lungs causing pneumonia.
    Bearded guy in sportswear practicing squatting on tip toe balance with prayer mudra gesture in spacious room with geometric wall and floor — Stock Photo
    Bearded guy in sportswear practicing squatting on tip toe balance with prayer mudra gesture in spacious room with geometric wall and floor
    Illustration of the skeleton of a person in the tree pose, or Vrikshasana. — Stock Photo
    Illustration of the skeleton of a person in the tree pose, or Vrikshasana.
    Human lungs with pneumonia and close-up of bacteria and viruses. — Stock Photo
    Human lungs with pneumonia and close-up of bacteria and viruses.
    Digital illustration and light micrograph of squamous cell carcinoma of lung. — Stock Photo
    Digital illustration and light micrograph of squamous cell carcinoma of lung.
    Female paramedic CPR training on dummy with instructor outdoors. — Stock Photo
    Female paramedic CPR training on dummy with instructor outdoors.
    Female paramedic with instructor CPR training on dummy outdoors. — Stock Photo
    Female paramedic with instructor CPR training on dummy outdoors.
    Colored X-ray showing blood vessels in lung. — Stock Photo
    Colored X-ray showing blood vessels in lung.
    Sick boy getting inhalation treatment in clinic — Stock Photo
    Sick boy getting inhalation treatment in clinic
    Hands of female paramedic CPR training outdoors. — Stock Photo
    Hands of female paramedic CPR training outdoors.
    Monitoring respiratory illness with digital spirometer. — Stock Photo
    Monitoring respiratory illness with digital spirometer.
    Pneumonia caused by bacteria Pseudomonas aeruginosa, digital illustration. — Stock Photo
    Pneumonia caused by bacteria Pseudomonas aeruginosa, digital illustration.
    Female paramedic and instructor CPR training on dummy outdoors. — Stock Photo
    Female paramedic and instructor CPR training on dummy outdoors.
    Asthma inhaler against white background. — Stock Photo
    Asthma inhaler against white background.
    Lung cancer, digital illustration and light micrograph of cancerous tissue. — Stock Photo
    Lung cancer, digital illustration and light micrograph of cancerous tissue.
    Paramedic giving oxygen to injured woman at accident spot — Stock Photo
    Paramedic giving oxygen to injured woman at accident spot
    Female paramedic with instructor CPR training on baby dummy outdoors. — Stock Photo
    Female paramedic with instructor CPR training on baby dummy outdoors.
    Computer illustration of alveoli in human lungs — Stock Photo
    Computer illustration of alveoli in human lungs
    Illustration of rod-shaped bacteria inside alveoli of lungs causing lower respiratory tract infection. — Stock Photo
    Illustration of rod-shaped bacteria inside alveoli of lungs causing lower respiratory tract infection.
    Human alveoli anatomy — Stock Photo
    Human alveoli anatomy
    Top view of little boy with asthma using inhaler while lying down on sofa at home — Stock Photo
    Top view of little boy with asthma using inhaler while lying down on sofa at home
    Sinuses cavities structure and anatomy — Stock Photo
    Sinuses cavities structure and anatomy
    Doctors practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctors practicing bag-valve-mask ventilation on training dummy.
    Peak flow meter and chart against white background. — Stock Photo
    Peak flow meter and chart against white background.
    Hands of female paramedic CPR training outdoors. — Stock Photo
    Hands of female paramedic CPR training outdoors.
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Spirometry. Using digital spirometer with smart phone app, testing lungs. — Stock Photo
    Spirometry. Using digital spirometer with smart phone app, testing lungs.
    Sinuses cavities structure and anatomy — Stock Photo
    Sinuses cavities structure and anatomy
    Human alveoli anatomy — Stock Photo
    Human alveoli anatomy
    Sick boy getting inhalation treatment in clinic — Stock Photo
    Sick boy getting inhalation treatment in clinic
    Newborn head and chest anatomy — Stock Photo
    Newborn head and chest anatomy
    Digital three dimensional illustration of human lungs. — Stock Photo
    Digital three dimensional illustration of human lungs.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Male doctor practicing cardiopulmonary resuscitation on infant training dummy. — Stock Photo
    Male doctor practicing cardiopulmonary resuscitation on infant training dummy.
    Doctor practicing tracheal intubation on training dummy. — Stock Photo
    Doctor practicing tracheal intubation on training dummy.
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    Digital illustration and light micrograph of squamous cell carcinoma of lung. — Stock Photo
    Digital illustration and light micrograph of squamous cell carcinoma of lung.
    Illustration of Streptococcus pneumoniae bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Illustration of Streptococcus pneumoniae bacteria inside alveoli of lungs causing pneumonia.
    Illustration of the skeleton of a person in the tree pose, or Vrikshasana. — Stock Photo
    Illustration of the skeleton of a person in the tree pose, or Vrikshasana.
    Digital illustration of human alveoli on white background. — Stock Photo
    Digital illustration of human alveoli on white background.
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Little kid using inhaler in clinic during check up — Stock Photo
    Little kid using inhaler in clinic during check up
    Hand of female paramedic using defibrillator while training outdoors. — Stock Photo
    Hand of female paramedic using defibrillator while training outdoors.
    Side view unrecognizable person in silver costume with breathing apparatus and hose attached to potted plant sitting on chair in weathered abandoned house room — Stock Photo
    Side view unrecognizable person in silver costume with breathing apparatus and hose attached to potted plant sitting on chair in weathered abandoned house room
    Female paramedic using defibrillator while training outdoors. — Stock Photo
    Female paramedic using defibrillator while training outdoors.
    Cropped unrecognizable man in sportswear sitting in Lotus pose and meditating with closed eyes and mudra gesture in spacious room with geometric wall and floor — Stock Photo
    Cropped unrecognizable man in sportswear sitting in Lotus pose and meditating with closed eyes and mudra gesture in spacious room with geometric wall and floor