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    Female paramedic CPR training on dummy outdoors. — Stock Photo
    Female paramedic CPR training on dummy outdoors.
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    Sick little boy blowing nose while sitting on hospital bed with female nurse standing nearby — Stock Photo
    Sick little boy blowing nose while sitting on hospital bed with female nurse standing nearby
    Female anatomy with emphasis on lungs — Stock Photo
    Female anatomy with emphasis on lungs
    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.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Side view of little boy with asthma using inhaler while lying down on sofa at home — Stock Photo
    Side view of little boy with asthma using inhaler while lying down on sofa at home
    Female paramedic practicing mouth to mouth CPR training outdoors. — Stock Photo
    Female paramedic practicing mouth to mouth CPR training outdoors.
    Lungs in relation to other internal organs — Stock Photo
    Lungs in relation to other internal organs
    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.
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Human chest anatomy — Stock Photo
    Human chest anatomy
    Digital illustration of human alveoli on white background. — Stock Photo
    Digital illustration of human alveoli on white background.
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies. — Stock Photo
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies.
    Female paramedic CPR training on baby dummy with instructor outdoors. — Stock Photo
    Female paramedic CPR training on baby dummy with instructor outdoors.
    Doctor practicing tracheal intubation on training dummy. — Stock Photo
    Doctor practicing tracheal intubation on training dummy.
    Inhaling medicine. Senior woman using an inhaler with extension tube. — Stock Photo
    Inhaling medicine. Senior woman using an inhaler with extension tube.
    Computer illustration of alveoli in human lungs — Stock Photo
    Computer illustration of alveoli in human lungs
    Spring flowers representing unhealthy human lungs, conceptual studio shot. — Stock Photo
    Spring flowers representing unhealthy human lungs, conceptual studio shot.
    Respiratory system of adult — Stock Photo
    Respiratory system of adult
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals. — Stock Photo
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals.
    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
    Male doctor practicing cardiopulmonary resuscitation on infant training dummy. — Stock Photo
    Male doctor practicing cardiopulmonary resuscitation on infant training dummy.
    Cropped image of Pregnant woman holding respiratory for asthma — Stock Photo
    Cropped image of Pregnant woman holding respiratory for asthma
    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
    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.
    Pneumonia inflammatory condition of lungs, digital illustration. — Stock Photo
    Pneumonia inflammatory condition of lungs, digital illustration.
    Asthma inhaler against white background. — Stock Photo
    Asthma inhaler against white background.
    Doctor practicing tracheal intubation on training dummy. — Stock Photo
    Doctor practicing tracheal intubation on training dummy.
    Pneumonia caused by bacterium Pseudomonas aeruginosa, digital illustration. — Stock Photo
    Pneumonia caused by bacterium Pseudomonas aeruginosa, digital illustration.
    Young mindful male with hands on chest and closed eyes meditating during yoga practice against wall with shades in soft sunlight — Stock Photo
    Young mindful male with hands on chest and closed eyes meditating during yoga practice against wall with shades in soft sunlight
    Content sick boy using respirator and breathing oxygen from inhaler while sitting on sofa at home — Stock Photo
    Content sick boy using respirator and breathing oxygen from inhaler while sitting on sofa at home
    Mature female doctor and female nurse examining patient's throat — Stock Photo
    Mature female doctor and female nurse examining patient's throat
    Healthy lungs anatomy — Stock Photo
    Healthy lungs anatomy
    Human lungs with bacterial pneumonia and close-up of bacteria. — Stock Photo
    Human lungs with bacterial pneumonia and close-up of bacteria.
    Computer illustration of alveoli in human lungs — Stock Photo
    Computer illustration of alveoli in human lungs
    Spring flowers representing healthy human lungs, conceptual studio shot. — Stock Photo
    Spring flowers representing healthy human lungs, conceptual studio shot.
    Little kid using inhaler in clinic during check up — Stock Photo
    Little kid using inhaler in clinic during check up
    Businessman with Duchenne muscular dystrophy in a motorized wheelchair working in an office — Stock Photo
    Businessman with Duchenne muscular dystrophy in a motorized wheelchair working in an office
    Female paramedic CPR training with instructor on baby dummy outdoors. — Stock Photo
    Female paramedic CPR training with instructor on baby dummy outdoors.
    3d illustration of a mitochondrion within a cell. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidase sugars and fats to produce energy — Stock Photo
    3d illustration of a mitochondrion within a cell. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidase sugars and fats to produce energy
    Human lungs and other internal organs — Stock Photo
    Human lungs and other internal organs
    Human lungs with pneumonia and close-up of bacteria and viruses. — Stock Photo
    Human lungs with pneumonia and close-up of bacteria and viruses.
    Abstract fungi releasing allergic spores, 3d digital illustration. — Stock Photo
    Abstract fungi releasing allergic spores, 3d digital illustration.
    Human skeleton in triangle yoga position, or trikonasana. Computer illustration showing skeletal activity in this yoga posture. — Stock Photo
    Human skeleton in triangle yoga position, or trikonasana. Computer illustration showing skeletal activity in this yoga posture.
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    Female paramedic CPR training on dummy outdoors. — Stock Photo
    Female paramedic CPR training on dummy outdoors.
    Tracheal intubation kit on white background. — Stock Photo
    Tracheal intubation kit on white background.
    Spring flowers representing healthy human lungs, conceptual studio shot. — Stock Photo
    Spring flowers representing healthy human lungs, conceptual studio shot.
    Female paramedic CPR training outdoors. — Stock Photo
    Female paramedic CPR training outdoors.
    Colored X-ray showing blood vessels in lung. — Stock Photo
    Colored X-ray showing blood vessels in lung.
    Little boy blowing nose in hospital on check up — Stock Photo
    Little boy blowing nose in hospital on check up
    Female paramedic using defibrillator while training outdoors. — Stock Photo
    Female paramedic using defibrillator while training outdoors.
    Woman with paramedic instructor CPR training on dummy outdoors. — Stock Photo
    Woman with paramedic instructor CPR training on dummy outdoors.
    Doctor practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctor practicing bag-valve-mask ventilation on training dummy.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Human lungs with pneumonia and close-up of bacteria and viruses. — Stock Photo
    Human lungs with pneumonia and close-up of bacteria and viruses.
    From above content sick boy using respirator and breathing oxygen from inhaler while lying down on sofa at home — Stock Photo
    From above content sick boy using respirator and breathing oxygen from inhaler while lying down on sofa at home
    Severe acute respiratory syndrome virus — Stock Photo
    Severe acute respiratory syndrome virus
    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.