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    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Computer illustration of coronavirus particles in bloodstream — Stock Photo
    Computer illustration of coronavirus particles in bloodstream
    Close-up of laboratory technician holding tube with blood sample in gloved hand. — Stock Photo
    Close-up of laboratory technician holding tube with blood sample in gloved hand.
    Mid section of woman sitting with pills and glass of water — Stock Photo
    Mid section of woman sitting with pills and glass of water
    Cross-section of human artery — Stock Photo
    Cross-section of human artery
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Illustration of transparent gray silhouette of male body with colored heart. — Stock Photo
    Illustration of transparent gray silhouette of male body with colored heart.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Toxoplasma gondii in blood, digital illustration. — Stock Photo
    Toxoplasma gondii in blood, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    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.
    Blood vessels of foot, computer illustration — Stock Photo
    Blood vessels of foot, computer illustration
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Low angle rear view of human silhouette showing male anatomy, digital illustration. — Stock Photo
    Low angle rear view of human silhouette showing male anatomy, digital illustration.
    Alveolar tissue macrophage, digital illustration. — Stock Photo
    Alveolar tissue macrophage, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    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.
    Homemade blood orange smoothies — Stock Photo
    Homemade blood orange smoothies
    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
    Normal cardiovascular system — Stock Photo
    Normal cardiovascular system
    Petri dish with blood agar on blue background. — Stock Photo
    Petri dish with blood agar on blue background.
    Deflated and inflated stents and balloon catheters, digital illustration. — Stock Photo
    Deflated and inflated stents and balloon catheters, digital illustration.
    Human heart with disease, computer illustration. — Stock Photo
    Human heart with disease, computer illustration.
    3d rendered illustration of vascular system of human head. — Stock Photo
    3d rendered illustration of vascular system of human head.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Human heart with vessels, lungs, bronchial tree and cut rib cage in x-ray effect on black background. — Stock Photo
    Human heart with vessels, lungs, bronchial tree and cut rib cage in x-ray effect on black background.
    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.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Human heart with coronary veins, digital illustration. — Stock Photo
    Human heart with coronary veins, digital illustration.
    Close-up of heated cups on client back for cupping therapy. — Stock Photo
    Close-up of heated cups on client back for cupping therapy.
    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.
    3d illustration of cross-section of human eye in side view and frontal view. — Stock Photo
    3d illustration of cross-section of human eye in side view and frontal view.
    Grey human heart model on white background, computer illustration. — Stock Photo
    Grey human heart model on white background, computer illustration.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Illustration of human heart anatomy on white background. — Stock Photo
    Illustration of human heart anatomy on white background.
    Monocyte in human blood, computer illustration. — Stock Photo
    Monocyte in human blood, computer illustration.
    Illustration of human blood cells on black background. — Stock Photo
    Illustration of human blood cells on black background.
    Female body with visible heart and cardiovascular system, digital illustration — Stock Photo
    Female body with visible heart and cardiovascular system, digital illustration
    Full anatomical heart model 3D illustration isolated on white background. — Stock Photo
    Full anatomical heart model 3D illustration isolated on white background.
    Cups of tea with lemon, sliced oranges — Stock Photo
    Cups of tea with lemon, sliced oranges
    Group of surgeons performing operation in operation theater of hospital — Stock Photo
    Group of surgeons performing operation in operation theater of hospital
    Cross-section of the human eye, 3d illustration. — Stock Photo
    Cross-section of the human eye, 3d illustration.
    Heart attack in human body, conceptual illustration. — Stock Photo
    Heart attack in human body, conceptual illustration.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    3d illustration of red blood cells erythrocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes.
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Blood red slices ripest pomegranate — Stock Photo
    Blood red slices ripest pomegranate
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Light micrograph of hepatic hemosiderosis. Hemosiderosis is a form of iron overload disorder resulting in the accumulation of hemosiderin. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of hepatic hemosiderosis. Hemosiderosis is a form of iron overload disorder resulting in the accumulation of hemosiderin. Haematoxylin and eosin stain.
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Skeletal and cardiovascular systems of adult — Stock Photo
    Skeletal and cardiovascular systems of adult
    Close-up of laboratory technician wearing gloves in blood bank — Stock Photo
    Close-up of laboratory technician wearing gloves in blood bank
    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.
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification