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    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.
    Lung tissue, coloured transmission electron micrograph (TEM). of a pulmonary capillary containing two red blood cells (red) and three platelets (brown). A basement membrane (cyan) surround the endothelium separating it from the alveolar epithelium — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM). of a pulmonary capillary containing two red blood cells (red) and three platelets (brown). A basement membrane (cyan) surround the endothelium separating it from the alveolar epithelium
    White blood cell — Stock Photo
    White blood cell
    Illustration of human heart anatomy on white background. — Stock Photo
    Illustration of human heart anatomy on white background.
    Close-up of chopped meat slices kept on counter — Stock Photo
    Close-up of chopped meat slices kept on counter
    Red blood cells — Stock Photo
    Red blood cells
    Digital illustration of trypanosome parasites in blood vessel causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites in blood vessel causing Chagas disease.
    Venule. Coloured transmission electron micrograph (TEM). Venules are small veins that transport deoxygenated blood from the capillary beds to the veins. Endothelial cells line the entire circulatory system — Stock Photo
    Venule. Coloured transmission electron micrograph (TEM). Venules are small veins that transport deoxygenated blood from the capillary beds to the veins. Endothelial cells line the entire circulatory system
    Medical illustration of arteries, veins and lymphatic system in female midsection — Stock Photo
    Medical illustration of arteries, veins and lymphatic system in female midsection
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Medical illustration of blocked artery disorder. — Stock Photo
    Medical illustration of blocked artery disorder.
    Half-full anatomical heart model 3D illustration isolated on white background. — Stock Photo
    Half-full anatomical heart model 3D illustration isolated on white background.
    Monocyte white blood cells in blood stream with red blood cells, digital illustration. — Stock Photo
    Monocyte white blood cells in blood stream with red blood cells, digital illustration.
    Pathogenic bacteria in the blood stream — Stock Photo
    Pathogenic bacteria in the blood stream
    Blood orange salad with olives., red onion and parsley — Stock Photo
    Blood orange salad with olives., red onion and parsley
    Blood agar in Petri dish on blue background. — Stock Photo
    Blood agar in Petri dish on blue background.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Normal White blood cell — Stock Photo
    Normal White blood cell
    Hands of butcher slicing red meat at butchers shop — Stock Photo
    Hands of butcher slicing red meat at butchers shop
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Sample of blood drained in container in operation room at hospital — Stock Photo
    Sample of blood drained in container in operation room at hospital
    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
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Mid section of butcher chopping red meat at butchers shop — Stock Photo
    Mid section of butcher chopping red meat at butchers shop
    Ebola virus particle in blood stream, digital illustration. — Stock Photo
    Ebola virus particle in blood stream, digital illustration.
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Female cardiovascular system on black background. — Stock Photo
    Female cardiovascular system on black background.
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Human face and neck with nervous, lymphatic and circulatory systems — Stock Photo
    Human face and neck with nervous, lymphatic and circulatory systems
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Cups of tea with lemon, sliced oranges — Stock Photo
    Cups of tea with lemon, sliced oranges
    Red blood cells in bloodstream — Stock Photo
    Red blood cells in bloodstream
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    HIV human immunodeficiency virus in bloodstream, digital illustration — Stock Photo
    HIV human immunodeficiency virus in bloodstream, digital illustration
    From above sanguine fruit on white table cut into half parts — Stock Photo
    From above sanguine fruit on white table cut into half parts
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Special effects makeup artist creating realistic leg and hand injuries. — Stock Photo
    Special effects makeup artist creating realistic leg and hand injuries.
    Human red blood cells and platelets — Stock Photo
    Human red blood cells and platelets
    Visual rendering of Sleeping sickness — Stock Photo
    Visual rendering of Sleeping sickness
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    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 heart against red background, illustration. — Stock Photo
    Human heart against red background, illustration.
    Illustration of human blood cells on white background. — Stock Photo
    Illustration of human blood cells on white background.
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    Structure of activated Platelets — Stock Photo
    Structure of activated Platelets
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    Blood Red Moon — Stock Photo
    Blood Red Moon
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Closeup view of blood orange drink with ice cubes and mint — Stock Photo
    Closeup view of blood orange drink with ice cubes and mint
    Nanorobot on red blood cell — Stock Photo
    Nanorobot on red blood cell
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.