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    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Blood clot structure — Stock Photo
    Blood clot structure
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Illustration of lipid blood clot in circulatory system. — Stock Photo
    Illustration of lipid blood clot in circulatory system.
    Sporozoite malaria pathogens, digital illustration. — Stock Photo
    Sporozoite malaria pathogens, digital illustration.
    Blood cells, light micrograph. — Stock Photo
    Blood cells, light micrograph.
    Illustration of human blood cells in blood stream. — Stock Photo
    Illustration of human blood cells in blood stream.
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    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
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Illustration of red human blood cells on black background. — Stock Photo
    Illustration of red human blood cells on black background.
    Erythrocyte red blood cell, digital illustration. — Stock Photo
    Erythrocyte red blood cell, digital illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    Normal red blood cells — Stock Photo
    Normal red blood cells
    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
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Sickle cell anemia — Stock Photo
    Sickle cell anemia
    Red blood cells — Stock Photo
    Red blood cells
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Human red blood cells — Stock Photo
    Human red blood cells
    Plasmodium ovale protozoan inside red blood cells in the stage of schizont, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells in the stage of schizont, computer illustration
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Human blood cells, light micrograph. — Stock Photo
    Human blood cells, light micrograph.
    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel. — Stock Photo
    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel.
    Red blood cells — Stock Photo
    Red blood cells
    Erythrocytes or red blood cells — Stock Photo
    Erythrocytes or red blood cells
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration
    Red blood cells — Stock Photo
    Red blood cells
    Red blood cells (erythrocytes) in a blood vessel, illustration. — Stock Photo
    Red blood cells (erythrocytes) in a blood vessel, illustration.
    Hypodermic needle (26 gauge) and human blood, coloured scanning electron micrograph (SEM). — Stock Photo
    Hypodermic needle (26 gauge) and human blood, coloured scanning electron micrograph (SEM).
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Healthy red and white blood cells — Stock Photo
    Healthy red and white blood cells
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Human red blood cells trapped in a fibrin blood clot, coloured scanning electron micrograph (SEM). — Stock Photo
    Human red blood cells trapped in a fibrin blood clot, coloured scanning electron micrograph (SEM).
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells