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    Heart attack in human body, conceptual illustration. — Stock Photo
    Heart attack in human body, conceptual illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Side view of unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic — Stock Photo
    Side view of unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic
    Illustration of senior man silhouette with visible heart. — Stock Photo
    Illustration of senior man silhouette with visible heart.
    Injured woman treated by paramedic at accident spot — Stock Photo
    Injured woman treated by paramedic at accident spot
    Hand holding a multiwell tray containing blood samples. — Stock Photo
    Hand holding a multiwell tray containing blood samples.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Lymphocyte white blood cells in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cells in human lymphatic system, digital illustration.
    Heart anatomy in male thorax, computer illustration. — Stock Photo
    Heart anatomy in male thorax, computer illustration.
    Digital illustration of abnormal blood cells infected by hairy cell leukemia. — Stock Photo
    Digital illustration of abnormal blood cells infected by hairy cell leukemia.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Tick on human skin, computer illustration. — Stock Photo
    Tick on human skin, computer illustration.
    3d illustration of cross section of hair follicle with description. — Stock Photo
    3d illustration of cross section of hair follicle with description.
    Close-up of person hand holding microscope slide with red dot. — Stock Photo
    Close-up of person hand holding microscope slide with red dot.
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Team of doctors giving oxygen to patient in intensive care unit — Stock Photo
    Team of doctors giving oxygen to patient in intensive care unit
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital — Stock Photo
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital
    Laboratory technician using a machine in blood bank — Stock Photo
    Laboratory technician using a machine in blood bank
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Fresh Oranges with leaves — Stock Photo
    Fresh Oranges with leaves
    Human heart cross-section with vessels, bronchial tree and cut rib cage on white background. — Stock Photo
    Human heart cross-section with vessels, bronchial tree and cut rib cage on white background.
    Toast with blood orange jam and soft cheese — Stock Photo
    Toast with blood orange jam and soft cheese
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    Stack of crates with blood bags arranged in blood bank — Stock Photo
    Stack of crates with blood bags arranged in blood bank
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Crop anonymous veterinarian in sterile gloves with surgical tweezers and scissors operating animal against heart rate monitor in hospital — Stock Photo
    Crop anonymous veterinarian in sterile gloves with surgical tweezers and scissors operating animal against heart rate monitor in hospital
    Illustration of overweight woman with visible heart on black background. — Stock Photo
    Illustration of overweight woman with visible heart on black background.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Vascular system of healthy adult — Stock Photo
    Vascular system of healthy adult
    Ewe and a newborn lamb — Stock Photo
    Ewe and a newborn lamb
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Male body with visible vascular system, computer illustration. — Stock Photo
    Male body with visible vascular system, computer illustration.
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital — Stock Photo
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital
    Close-up of vital signs on monitor in intensive care ward. — Stock Photo
    Close-up of vital signs on monitor in intensive care ward.
    Blood vessels of human head and neck, digital illustration. — Stock Photo
    Blood vessels of human head and neck, digital illustration.
    Glass of fresh juice and slices of blood orange on marble tabletop — Stock Photo
    Glass of fresh juice and slices of blood orange on marble tabletop
    3d illustration of red blood cells disintegrating. — Stock Photo
    3d illustration of red blood cells disintegrating.
    Female thorax anatomy with skeleton and internal organs, computer illustration. — Stock Photo
    Female thorax anatomy with skeleton and internal organs, computer illustration.
    Illustration of heart in transparent male silhouette. — Stock Photo
    Illustration of heart in transparent male silhouette.
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Cropped image of Doctor checking blood pressure of patient in clinic — Stock Photo
    Cropped image of Doctor checking blood pressure of patient in clinic
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Digital illustration of cross-section of blood vessel with acute lymphoblastic leukaemia showing abundant lymphoblasts. — Stock Photo
    Digital illustration of cross-section of blood vessel with acute lymphoblastic leukaemia showing abundant lymphoblasts.
    Human brain with network of blood vessels — Stock Photo
    Human brain with network of blood vessels
    Crop unrecognizable veterinarian measuring pulse of cat with blood oxygen meter during operation in clinic — Stock Photo
    Crop unrecognizable veterinarian measuring pulse of cat with blood oxygen meter during operation in clinic
    Sour milk soup with black pudding pockets — Stock Photo
    Sour milk soup with black pudding pockets
    Digital illustration of elderly man body with visible orange-colored heart. — Stock Photo
    Digital illustration of elderly man body with visible orange-colored heart.
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Aerial view. Red waters of the Rio Tinto, coloured by dissolved minerals, primarily iron. Andalusia, Spain — Stock Photo
    Aerial view. Red waters of the Rio Tinto, coloured by dissolved minerals, primarily iron. Andalusia, Spain
    Hand of butcher slicing meat at butchers shop — Stock Photo
    Hand of butcher slicing meat at butchers shop
    White blood cell — Stock Photo
    White blood cell
    Whole and half blood oranges — Stock Photo
    Whole and half blood oranges
    Blood clot structure — Stock Photo
    Blood clot structure
    Illustration of heart in transparent male silhouette. — Stock Photo
    Illustration of heart in transparent male silhouette.
    White blood cells — Stock Photo
    White blood cells
    Red blood cells in an artery — Stock Photo
    Red blood cells in an artery