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    Human heart model on blue background, computer illustration. — Stock Photo
    Human heart model on blue background, computer illustration.
    Lymphocyte white blood cells in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cells in human lymphatic system, digital illustration.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Pack of wild dogs, Lycaon Pictus, covered in blood, drinking at water hole — Stock Photo
    Pack of wild dogs, Lycaon Pictus, covered in blood, drinking at water hole
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Meat cuts on worktop in meat factory — Stock Photo
    Meat cuts on worktop in meat factory
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Forensics expert collecting evidence cloth from crime scene. — Stock Photo
    Forensics expert collecting evidence cloth from crime scene.
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Runner silhouette with visible heart, composite digital illustration. — Stock Photo
    Runner silhouette with visible heart, composite digital illustration.
    Illustration of visible pancreas and organs in human body silhouette. — Stock Photo
    Illustration of visible pancreas and organs in human body silhouette.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Lymphocyte white blood cell in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cell in human lymphatic system, digital illustration.
    Fresh blood oranges — Stock Photo
    Fresh blood oranges
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Digital health. Testing blood pressure. — Stock Photo
    Digital health. Testing blood pressure.
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Woman checking her insulin levels before eating a cake — Stock Photo
    Woman checking her insulin levels before eating a cake
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    Laboratory technician checking weight of blood bags in blood bank — Stock Photo
    Laboratory technician checking weight of blood bags in blood bank
    Realistic body model showing female anatomy of muscles, mammary glands and blood vessels, computer illustration. — Stock Photo
    Realistic body model showing female anatomy of muscles, mammary glands and blood vessels, computer illustration.
    3d illustration of red blood cells disintegrating. — Stock Photo
    3d illustration of red blood cells disintegrating.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    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
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration — Stock Photo
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Illustration of blue silhouette of obese woman with highlighted heart on white background. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted heart on white background.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Side view of young asian male doctor checking blood pressure of caucasian boy patient in clinic — Stock Photo
    Side view of young asian male doctor checking blood pressure of caucasian boy patient in clinic
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Heart disease in female body, conceptual digital illustration. — Stock Photo
    Heart disease in female body, conceptual digital illustration.
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Veterinarian examining cat in veterinary surgery — Stock Photo
    Veterinarian examining cat in veterinary surgery
    Butcher sharpening knife in butchers shop — Stock Photo
    Butcher sharpening knife in butchers shop
    Mini pavlovas with lemon curd and blood orange — Stock Photo
    Mini pavlovas with lemon curd and blood orange
    Close-up of doctor drawing female patient blood for PRP cosmetics treatment. — Stock Photo
    Close-up of doctor drawing female patient blood for PRP cosmetics treatment.
    First-aiders practicing cardiopulmonary resuscitation on training dummy. — Stock Photo
    First-aiders practicing cardiopulmonary resuscitation on training dummy.
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Human heart against red background, illustration. — Stock Photo
    Human heart against red background, illustration.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Half a blood orange on a grey background — Stock Photo
    Half a blood orange on a grey background
    Kit of various surgical instruments and bloody napkins in operating room of veterinary hospital during surgery with crop anonymous doctor treating patient — Stock Photo
    Kit of various surgical instruments and bloody napkins in operating room of veterinary hospital during surgery with crop anonymous doctor treating patient
    Cardiovascular system of healthy adult — Stock Photo
    Cardiovascular system of healthy adult
    Salmonella typhimurium bacteria — Stock Photo
    Salmonella typhimurium bacteria
    From above panoramic scenery of night city with skyscrapers under shiny full Moon in Madrid — Stock Photo
    From above panoramic scenery of night city with skyscrapers under shiny full Moon in Madrid
    Medical equipment and drugs on white background. — Stock Photo
    Medical equipment and drugs on white background.
    Close-up of sliced red meat at butchers shop — Stock Photo
    Close-up of sliced red meat at butchers shop
    Female body with visible heart and cardiovascular system, digital illustration — Stock Photo
    Female body with visible heart and cardiovascular system, digital illustration
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Injured woman treated by paramedic at accident spot — Stock Photo
    Injured woman treated by paramedic at accident spot
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.