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    Side view of ethnic female leaning back while standing in Ashta Chandrasana pose during yoga practice on sandy coast against ocean — Stock Photo
    Side view of ethnic female leaning back while standing in Ashta Chandrasana pose during yoga practice on sandy coast against ocean
    Caucasian and a mixed race sportsmen wearing protective fencing outfits during a fencing training session, taking aim and lunging at each other with their epees. fencers training at a gym. — Stock Photo
    Caucasian and a mixed race sportsmen wearing protective fencing outfits during a fencing training session, taking aim and lunging at each other with their epees. fencers training at a gym.
    Digital illustration and light micrograph of squamous cell carcinoma of lung. — Stock Photo
    Digital illustration and light micrograph of squamous cell carcinoma of lung.
    Tumour filling an alveolus of the human lung — Stock Photo
    Tumour filling an alveolus of the human lung
    Illustration of bacteria causing bacterial pneumonia in alveoli. — Stock Photo
    Illustration of bacteria causing bacterial pneumonia in alveoli.
    Illustration of human lung in body silhouette. — Stock Photo
    Illustration of human lung in body silhouette.
    Full body side view of young flexible female standing in Exalted Crescent Lunge pose while practicing yoga in modern fitness studio — Stock Photo
    Full body side view of young flexible female standing in Exalted Crescent Lunge pose while practicing yoga in modern fitness studio
    Skeletal system and brain structure — Stock Photo
    Skeletal system and brain structure
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus. — Stock Photo
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus.
    Mid adult woman in high lunge pose doing yoga outdoors on dam beach — Stock Photo
    Mid adult woman in high lunge pose doing yoga outdoors on dam beach
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Silhouette of human lungs on white background, digital illustration. — Stock Photo
    Silhouette of human lungs on white background, digital illustration.
    Smiling man lunging in exercise class — Stock Photo
    Smiling man lunging in exercise class
    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.
    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.
    Human alveoli anatomy — Stock Photo
    Human alveoli anatomy
    Healthy and diseased female organs — Stock Photo
    Healthy and diseased female organs
    Close-up of adenovirus infecting human lungs, digital illustration. — Stock Photo
    Close-up of adenovirus infecting human lungs, digital illustration.
    Illustration of Klebsiella pneumoniae bacteria. K. pneumoniae are Gram-negative, encapsulated, non-motile, enteric, rod-shaped bacteria. This species causes Friedlander's pneumonia and urinary tract infections — Stock Photo
    Illustration of Klebsiella pneumoniae bacteria. K. pneumoniae are Gram-negative, encapsulated, non-motile, enteric, rod-shaped bacteria. This species causes Friedlander's pneumonia and urinary tract infections
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection. — Stock Photo
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection.
    Smiling, confident women doing lunges in sunny park — Stock Photo
    Smiling, confident women doing lunges in sunny park
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, lunging at each other with their epees. Fencers training at gym. — Stock Photo
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, lunging at each other with their epees. Fencers training at gym.
    Woman standing on Los Lances beach dong a high lunge yoga pose, Tarifa, Cadiz, Andalusia, Spain — Stock Photo
    Woman standing on Los Lances beach dong a high lunge yoga pose, Tarifa, Cadiz, Andalusia, Spain
    Lung cancer, digital illustration and light micrograph showing lung adenocarcinoma. — Stock Photo
    Lung cancer, digital illustration and light micrograph showing lung adenocarcinoma.
    Fit female athlete in sportswear doing side lunge exercise in gym looking away — Stock Photo
    Fit female athlete in sportswear doing side lunge exercise in gym looking away
    Cropped unrecognizable female athlete performing forward lunge during workout with weights against barbell in gym — Stock Photo
    Cropped unrecognizable female athlete performing forward lunge during workout with weights against barbell in gym
    Side view of flexible female in sports clothes demonstrating Anjaneyasana pose while practicing yoga on mat and looking up — Stock Photo
    Side view of flexible female in sports clothes demonstrating Anjaneyasana pose while practicing yoga on mat and looking up
    Full length of concentrated young athletic guy in sportswear doing Side Lunges exercise with elastic band while training alone in spacious fitness studio with mirror — Stock Photo
    Full length of concentrated young athletic guy in sportswear doing Side Lunges exercise with elastic band while training alone in spacious fitness studio with mirror
    Asthmatic boy using inhaler, close-up. — Stock Photo
    Asthmatic boy using inhaler, close-up.
    Conceptual illustration of coronavirus particles entering human lungs. — Stock Photo
    Conceptual illustration of coronavirus particles entering human lungs.
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration
    Side view of female practicing yoga on Utthita Parsvakonasana pose on boulders against ocean under cloudy sky at sundown — Stock Photo
    Side view of female practicing yoga on Utthita Parsvakonasana pose on boulders against ocean under cloudy sky at sundown
    Athletic female doing yoga lunge exercise in cozy home interior — Stock Photo
    Athletic female doing yoga lunge exercise in cozy home interior
    Conceptual illustration of coronavirus particles in human lungs. — Stock Photo
    Conceptual illustration of coronavirus particles in human lungs.
    Low angle full body of fit female athlete in sportswear doing side lunge exercise in gym — Stock Photo
    Low angle full body of fit female athlete in sportswear doing side lunge exercise in gym
    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.
    Content couple in activewear standing on mats in Anjaneyasana with Namaste gesture while doing yoga in morning and looking at each other — Stock Photo
    Content couple in activewear standing on mats in Anjaneyasana with Namaste gesture while doing yoga in morning and looking at each other
    Crop unrecognizable female runner stretching legs and doing forward lunge exercise while training on promenade in summer — Stock Photo
    Crop unrecognizable female runner stretching legs and doing forward lunge exercise while training on promenade in summer
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Side view of adult male in sportswear doing low lunge pose yoga exercise in spacious room with geometric wall and floor — Stock Photo
    Side view of adult male in sportswear doing low lunge pose yoga exercise in spacious room with geometric wall and floor
    Side view of young ethnic female in sportswear standing in Ashta Chandrasana pose during yoga practice on sea shore — Stock Photo
    Side view of young ethnic female in sportswear standing in Ashta Chandrasana pose during yoga practice on sea shore
    Focused female athlete doing side lunge exercise and stretching legs while warming up during training on embankment near sea — Stock Photo
    Focused female athlete doing side lunge exercise and stretching legs while warming up during training on embankment near sea
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, lunging at each other with their epees. Fencers training at gym. — Stock Photo
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, lunging at each other with their epees. Fencers training at gym.
    Graceful woman practicing yoga side lunge in sunny window — Stock Photo
    Graceful woman practicing yoga side lunge in sunny window
    Abstract male silhouette with lung cancer, digital illustration. — Stock Photo
    Abstract male silhouette with lung cancer, digital illustration.
    Digital illustration of human alveoli on white background. — Stock Photo
    Digital illustration of human alveoli on white background.
    3d rendered illustration of lung and bronchi on white background. — Stock Photo
    3d rendered illustration of lung and bronchi on white background.
    Low angle side view of fit young female athlete in sportswear leaning on fence during training and looking away — Stock Photo
    Low angle side view of fit young female athlete in sportswear leaning on fence during training and looking away
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection. — Stock Photo
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection.
    Lungs and respiratory system — Stock Photo
    Lungs and respiratory system
    Healthy lungs and respiratory system — Stock Photo
    Healthy lungs and respiratory system
    Coloured X-ray showing cancer in the left lung of a 55-year-old patient. — Stock Photo
    Coloured X-ray showing cancer in the left lung of a 55-year-old patient.
    Human lungs in rib cage — Stock Photo
    Human lungs in rib cage
    Adult male athlete in sports clothes working out with clasped hands while looking away on lawn — Stock Photo
    Adult male athlete in sports clothes working out with clasped hands while looking away on lawn
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae — Stock Photo
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae
    Enthusiastic fitness instructor leading aerobics class — Stock Photo
    Enthusiastic fitness instructor leading aerobics class
    Lung tissue, coloured transmission electron micrograph (TEM). of a pulmonary capillary containing two red blood cells (red) and three platelets (brown). A basement membrane (cyan) surround the endothelium separating it from the alveolar epithelium — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM). of a pulmonary capillary containing two red blood cells (red) and three platelets (brown). A basement membrane (cyan) surround the endothelium separating it from the alveolar epithelium
    Side view of tranquil slim female standing in Anjaneyasana with Namaste hands and practicing yoga at home — Stock Photo
    Side view of tranquil slim female standing in Anjaneyasana with Namaste hands and practicing yoga at home
    Illustration of Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore — Stock Photo
    Illustration of Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration