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    Illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis (TB). The disease affects the lungs and sometimes other parts of the body — Stock Photo
    Illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis (TB). The disease affects the lungs and sometimes other parts of the body
    Vascular system of female human head, computer illustration. — Stock Photo
    Vascular system of female human head, computer illustration.
    Man holding a heart, computer illustration. — Stock Photo
    Man holding a heart, computer illustration.
    Illustration of blue silhouette of obese woman with highlighted heart. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted heart.
    Illustration of human heart anatomy on grey background. — Stock Photo
    Illustration of human heart anatomy on grey background.
    Transparent male silhouette with colored bronchi, computer illustration. — Stock Photo
    Transparent male silhouette with colored bronchi, computer illustration.
    Orange colored lungs in male body silhouette, computer illustration. — Stock Photo
    Orange colored lungs in male body silhouette, computer illustration.
    Transparent male silhouette with colored lungs, computer illustration. — Stock Photo
    Transparent male silhouette with colored lungs, computer illustration.
    Coloured 3D computed tomography (CT) scan of the healthy lungs of a 30 year old patient. — Stock Photo
    Coloured 3D computed tomography (CT) scan of the healthy lungs of a 30 year old patient.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Computer illustration of alveoli in human lungs — Stock Photo
    Computer illustration of alveoli in human lungs
    Illustration of female silhouette with highlighted lungs. — Stock Photo
    Illustration of female silhouette with highlighted lungs.
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    3d rendered illustration of colored female lungs in body silhouette. — Stock Photo
    3d rendered illustration of colored female lungs in body silhouette.
    Female body with visible vascular system, computer illustration. — Stock Photo
    Female body with visible vascular system, computer illustration.
    Heart of glass anatomy — Stock Photo
    Heart of glass anatomy
    Illustration of transparent blue silhouette of male body with colored bronchi. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored bronchi.
    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.
    Female body with visible vascular system, digital illustration. — Stock Photo
    Female body with visible vascular system, digital illustration.
    Heart attack in human body, conceptual illustration. — Stock Photo
    Heart attack in human body, conceptual illustration.
    Illustration of female silhouette with highlighted heart. — Stock Photo
    Illustration of female silhouette with highlighted heart.
    Illustration of transparent blue silhouette of male body with colored heart tumour. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart tumour.
    Illustration of transparent blue silhouette of male body with colored small intestine. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored small intestine.
    Illustration of bronchi in transparent male silhouette. — Stock Photo
    Illustration of bronchi in transparent male silhouette.
    3d rendered illustration of blue silhouette of man with chest pain. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain.
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage. — Stock Photo
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage.
    Diseased lungs in transparent female body on black background, computer illustration. — Stock Photo
    Diseased lungs in transparent female body on black background, computer illustration.
    Illustration of human heart anatomy on blue background. — Stock Photo
    Illustration of human heart anatomy on blue background.
    Female upper body blood vessels, digital illustration. — Stock Photo
    Female upper body blood vessels, digital illustration.
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer illustration.
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals. Haematoxylin and eosin stain. — Stock Photo
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals. Haematoxylin and eosin stain.
    Diseased lungs in transparent male body on white background, computer illustration. — Stock Photo
    Diseased lungs in transparent male body on white background, computer illustration.
    Illustration of senior woman blue silhouette with highlighted heart on black background. — Stock Photo
    Illustration of senior woman blue silhouette with highlighted heart on black background.
    Lung tumour, computer illustration — Stock Photo
    Lung tumour, computer illustration
    Female abdominal vascular system, computer illustration. — Stock Photo
    Female abdominal vascular system, computer illustration.
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia. — Stock Photo
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia.
    Illustration of blue silhouette of obese woman with highlighted lungs. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted lungs.
    Pneumonia inflammatory condition of lungs, digital illustration. — Stock Photo
    Pneumonia inflammatory condition of lungs, digital illustration.
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    Illustration of human silhouette with inflamed lungs. — Stock Photo
    Illustration of human silhouette with inflamed lungs.
    Bronchi, computer illustration, colorful image — Stock Photo
    Bronchi, computer illustration, colorful image
    Female anatomy showing vascular system, digital illustration. — Stock Photo
    Female anatomy showing vascular system, digital illustration.
    Illustration of figure of obese man with visible heart. — Stock Photo
    Illustration of figure of obese man with visible heart.
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Low angle on blood vessels of human upper body, digital illustration. — Stock Photo
    Low angle on blood vessels of human upper body, digital illustration.
    Illustration of female silhouette with highlighted lung cancer. — Stock Photo
    Illustration of female silhouette with highlighted lung cancer.
    Pneumonia caused by bacteria Moraxella catarrhalis, digital illustration. — Stock Photo
    Pneumonia caused by bacteria Moraxella catarrhalis, digital illustration.
    Illustration of senior woman silhouette showing heart on white background. — Stock Photo
    Illustration of senior woman silhouette showing heart on white background.
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia. — Stock Photo
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia.
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung — Stock Photo
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung
    Close-up of blue stethoscope on white background. — Stock Photo
    Close-up of blue stethoscope on white background.
    Coronary veins, computer illustration. — Stock Photo
    Coronary veins, computer illustration.
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Pneumonia. X-ray of the chest of a patient with bacterial pneumonia (grainy white area, lower left) in the lower lobe of the right lung (left). — Stock Photo
    Pneumonia. X-ray of the chest of a patient with bacterial pneumonia (grainy white area, lower left) in the lower lobe of the right lung (left).
    Orange colored lungs in female body silhouette, computer illustration. — Stock Photo
    Orange colored lungs in female body silhouette, computer illustration.
    Male body with visible skeleton and vascular system, computer illustration. — Stock Photo
    Male body with visible skeleton and vascular system, computer illustration.
    Aspergilloma of lungs and close-up of Aspergillus fungus, digital illustration. — Stock Photo
    Aspergilloma of lungs and close-up of Aspergillus fungus, digital illustration.
    Transparent male silhouette with colored lungs, computer illustration. — Stock Photo
    Transparent male silhouette with colored lungs, computer illustration.