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    African American male doctor in medical glove demonstrating test tube with blood sample on white background — Stock Photo
    African American male doctor in medical glove demonstrating test tube with blood sample on white background
    High angle view of two turtles swimming in clean water of calm lake in nature — Stock Photo
    High angle view of two turtles swimming in clean water of calm lake in nature
    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.
    Schematic representation of human vein structure — Stock Photo
    Schematic representation of human vein structure
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Broken wine glass, flowers and a bloody knife — Stock Photo
    Broken wine glass, flowers and a bloody knife
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    First-aiders practicing cardiopulmonary resuscitation on training dummy. — Stock Photo
    First-aiders practicing cardiopulmonary resuscitation on training dummy.
    Serpent crawling on dry sandy ground of Wadi Rum desert on sunny day in Jordan — Stock Photo
    Serpent crawling on dry sandy ground of Wadi Rum desert on sunny day in Jordan
    Top view of minimal composition of Callos with a bunch cutlery over yellow background — Stock Photo
    Top view of minimal composition of Callos with a bunch cutlery over yellow background
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Human heart against red background, illustration. — Stock Photo
    Human heart against red background, illustration.
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    Senior mixed race man at home taking his blood pressure and writing it down. senior healthcare at home during quarantine lockdown. — Stock Photo
    Senior mixed race man at home taking his blood pressure and writing it down. senior healthcare at home during quarantine lockdown.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Illustration of leucocyte cell surrounded by antibodies on black background. — Stock Photo
    Illustration of leucocyte cell surrounded by antibodies on black background.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Stack of crates with blood bags arranged in blood bank — Stock Photo
    Stack of crates with blood bags arranged in blood bank
    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.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Laboratory technician scanning bar code of test tube rack in blood bank — Stock Photo
    Laboratory technician scanning bar code of test tube rack in blood bank
    Fleshy fruit ripe pomegranate — Stock Photo
    Fleshy fruit ripe pomegranate
    Light micrograph (LM) showing blood supply to muscle fibers. — Stock Photo
    Light micrograph (LM) showing blood supply to muscle fibers.
    Farro salad with orange and celery — Stock Photo
    Farro salad with orange and celery
    Alveolar tissue macrophage, digital illustration. — Stock Photo
    Alveolar tissue macrophage, digital illustration.
    Male abdominal blood vessels, digital illustration. — Stock Photo
    Male abdominal blood vessels, digital illustration.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Plasmodium vivax protozoan, computer illustration. — Stock Photo
    Plasmodium vivax protozoan, computer illustration.
    Close-up of blood sample in glass phial. — Stock Photo
    Close-up of blood sample in glass phial.
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Male body with visible skeleton and vascular system, computer illustration. — Stock Photo
    Male body with visible skeleton and vascular system, computer illustration.
    Various blood bags in blood bank — Stock Photo
    Various blood bags in blood bank
    Anatomy of human skin — Stock Photo
    Anatomy of human skin
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Bacteria and viruses in human artery, digital illustration. — Stock Photo
    Bacteria and viruses in human artery, digital illustration.
    Illustration of inflamed heart in human body silhouette. — Stock Photo
    Illustration of inflamed heart in human body silhouette.
    Light micrograph of human red blood cells (erythrocytes), with two unidentified white blood cells (leucocytes) near the centre. — Stock Photo
    Light micrograph of human red blood cells (erythrocytes), with two unidentified white blood cells (leucocytes) near the centre.
    Close-up of pipetting samples into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting samples into microcentrifuge tubes.
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Moro blood oranges, whole and juiced — Stock Photo
    Moro blood oranges, whole and juiced
    Bacterial blood infection, digital illustration. — Stock Photo
    Bacterial blood infection, digital illustration.
    High angle of cheerful adult woman embracing newborn child covered with blood after giving birth in delivery room of contemporary hospital — Stock Photo
    High angle of cheerful adult woman embracing newborn child covered with blood after giving birth in delivery room of contemporary hospital
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Veins in transparent dog body, cropped, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, cropped, anatomical computer illustration.
    Syringe dripping blood sample into multiwell tray. — Stock Photo
    Syringe dripping blood sample into multiwell tray.
    Gloved hand of laboratory assistant examining growth in petri dish, close-up. — Stock Photo
    Gloved hand of laboratory assistant examining growth in petri dish, close-up.
    Blood orange muffins with raisins — Stock Photo
    Blood orange muffins with raisins
    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Woman using a glucometer to take a blood glucose reading. — Stock Photo
    Woman using a glucometer to take a blood glucose reading.
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.