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    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Three dimensional view of the female respiratory system — Stock Photo
    Three dimensional view of the female respiratory system
    Medical illustration of visible bronchi in human body. — Stock Photo
    Medical illustration of visible bronchi in human body.
    Lung cancer in female transparent body, conceptual computer illustration. — Stock Photo
    Lung cancer in female transparent body, conceptual computer illustration.
    Visible lungs in realistic female body 3d model on white background, computer illustration. — Stock Photo
    Visible lungs in realistic female body 3d model on white background, computer illustration.
    Human lungs with bacterial pneumonia and close-up of bacteria. — Stock Photo
    Human lungs with bacterial pneumonia and close-up of bacteria.
    Coloured scanning electron micrograph (SEM) of epithelial cells lining the human trachea (windpipe). — Stock Photo
    Coloured scanning electron micrograph (SEM) of epithelial cells lining the human trachea (windpipe).
    Digital illustration of human alveoli on white background. — Stock Photo
    Digital illustration of human alveoli on white background.
    Pneumonia caused by Streptococcus pneumoniae bacteria, conceptual illustration. — Stock Photo
    Pneumonia caused by Streptococcus pneumoniae bacteria, conceptual illustration.
    Yellow colored bronchi in body of woman, computer illustration. — Stock Photo
    Yellow colored bronchi in body of woman, computer illustration.
    Illustration of visible yellow colored lungs in transparent human body silhouette. — Stock Photo
    Illustration of visible yellow colored lungs in transparent human body silhouette.
    Realistic illustration of male internal organs of respiratory and digestive system. — Stock Photo
    Realistic illustration of male internal organs of respiratory and digestive system.
    Lung and bronchi structure — Stock Photo
    Lung and bronchi structure
    Human silhouette with detailed lungs, digital illustration. — Stock Photo
    Human silhouette with detailed lungs, digital illustration.
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Digital illustration showing bacteria causing infections of respiratory system, heart and digestive tract, Mycobacterium tuberculosis, Enterococcus faecalis, Salmonella, Shigella. — Stock Photo
    Digital illustration showing bacteria causing infections of respiratory system, heart and digestive tract, Mycobacterium tuberculosis, Enterococcus faecalis, Salmonella, Shigella.
    Lung cancer in anatomy of male body, computer illustration. — Stock Photo
    Lung cancer in anatomy of male body, computer illustration.
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia.
    Normal human bronchi — Stock Photo
    Normal human bronchi
    Transparent male silhouette with colored bronchi, computer illustration. — Stock Photo
    Transparent male silhouette with colored bronchi, computer illustration.
    Illustration of human silhouette with inflamed lungs. — Stock Photo
    Illustration of human silhouette with inflamed lungs.
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells. — Stock Photo
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells.
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph.
    Human anatomy, 3d illustration. — Stock Photo
    Human anatomy, 3d illustration.
    Newborn digestive and cardio-vascular systems — Stock Photo
    Newborn digestive and cardio-vascular systems
    Measles virus particle, illustration. This virus, from the Morbillivirus group of viruses, consists of an RNA (ribonucleic acid) core surrounded by an envelope studded with surface proteins haemagglutinin-neuraminidase and fusion protein — Stock Photo
    Measles virus particle, illustration. This virus, from the Morbillivirus group of viruses, consists of an RNA (ribonucleic acid) core surrounded by an envelope studded with surface proteins haemagglutinin-neuraminidase and fusion protein
    Illustration of bronchi cancer in male body silhouette on black background. — Stock Photo
    Illustration of bronchi cancer in male body silhouette on black background.
    Chest organs anatomy — Stock Photo
    Chest organs anatomy
    3d rendered illustration of highlighted female lung. — Stock Photo
    3d rendered illustration of highlighted female lung.
    Lobar pneumonia in stage of congestion and consolidation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of congestion and consolidation, digital illustration and light micrograph.
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria. — Stock Photo
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria.
    Human skeleton in yoga tree position, or vrikshasana, with highlighted lungs, computer illustration. Respiratory exercises and meditation for recovery and prevention of covid-19. — Stock Photo
    Human skeleton in yoga tree position, or vrikshasana, with highlighted lungs, computer illustration. Respiratory exercises and meditation for recovery and prevention of covid-19.
    Lobar pneumonia in stage of red hepatisation, conceptual digital illustration. — Stock Photo
    Lobar pneumonia in stage of red hepatisation, conceptual digital illustration.
    Lungs in anatomy of male body, computer illustration. — Stock Photo
    Lungs in anatomy of male body, computer illustration.
    Illustration of human silhouette with inflamed lungs. — Stock Photo
    Illustration of human silhouette with inflamed lungs.
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria. — Stock Photo
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria.
    Digital illustration of cancerous tumor in lungs and close-up of lung cancer cells. — Stock Photo
    Digital illustration of cancerous tumor in lungs and close-up of lung cancer cells.
    Human lungs with bacterial pneumonia and close-up of bacteria. — Stock Photo
    Human lungs with bacterial pneumonia and close-up of bacteria.
    3D rendering of human lungs on black background — Stock Photo
    3D rendering of human lungs on black background
    Lungs in anatomy of male body, computer illustration. — Stock Photo
    Lungs in anatomy of male body, computer illustration.
    Pulmonary edema, digital illustration. — Stock Photo
    Pulmonary edema, digital illustration.
    Illustration of blue silhouette of obese woman with highlighted lungs on black background. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted lungs on black background.
    Illustration of visible lungs in transparent human body silhouette. — Stock Photo
    Illustration of visible lungs in transparent human body silhouette.
    Lung cancer, digital illustration and light micrograph showing lung adenocarcinoma. — Stock Photo
    Lung cancer, digital illustration and light micrograph showing lung adenocarcinoma.
    Lungs in anatomy of male body, computer illustration. — Stock Photo
    Lungs in anatomy of male body, computer illustration.
    3d rendered illustration of cyclist lungs anatomy on blue background. — Stock Photo
    3d rendered illustration of cyclist lungs anatomy on blue background.
    Human alveoli anatomy — Stock Photo
    Human alveoli anatomy
    Human lungs and lower respiratory system — Stock Photo
    Human lungs and lower respiratory system
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease.
    Pneumonia caused by bacteria Moraxella catarrhalis, digital illustration. — Stock Photo
    Pneumonia caused by bacteria Moraxella catarrhalis, digital illustration.
    Bowel cancer pathology — Stock Photo
    Bowel cancer pathology
    Illustration of blue silhouette of obese woman with highlighted lungs on white background. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted lungs on white background.
    3d rendered illustration of cyclist lungs anatomy on black background. — Stock Photo
    3d rendered illustration of cyclist lungs anatomy on black background.
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease.
    Salzburg Cathedral square during coronavirus lockdown, Salzburg, Austria — Stock Photo
    Salzburg Cathedral square during coronavirus lockdown, Salzburg, Austria
    Pneumonia inflammatory condition of lungs, digital illustration. — Stock Photo
    Pneumonia inflammatory condition of lungs, digital illustration.
    Transparent human body showing heart and main circulatory system with internal organs, nervous, lymphatic and circulatory systems — Stock Photo
    Transparent human body showing heart and main circulatory system with internal organs, nervous, lymphatic and circulatory systems