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    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Male back anatomy and skeletal system, computer illustration. — Stock Photo
    Male back anatomy and skeletal system, computer illustration.
    Human heart with coronary arteries, digital illustration. — Stock Photo
    Human heart with coronary arteries, digital illustration.
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    Red blood cells — Stock Photo
    Red blood cells
    Female anatomy showing vascular system, digital illustration. — Stock Photo
    Female anatomy showing vascular system, digital illustration.
    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.
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Potatoes stuffed with sausage — Stock Photo
    Potatoes stuffed with sausage
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Human heart, computer illustration — Stock Photo
    Human heart, computer illustration
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Medical nanorobot in human blood vessel, panoramic digital illustration. — Stock Photo
    Medical nanorobot in human blood vessel, panoramic digital illustration.
    Human blood, computer illustration — Stock Photo
    Human blood, computer illustration
    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.
    Red sea water of Hormuz Island — Stock Photo
    Red sea water of Hormuz Island
    Cytotoxic T-cells capturing cancer cells, digital illustration. — Stock Photo
    Cytotoxic T-cells capturing cancer cells, digital illustration.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    Whole and halved Blood oranges — Stock Photo
    Whole and halved Blood oranges
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    A woman slicing blood oranges — Stock Photo
    A woman slicing blood oranges
    Wedges of blood orange — Stock Photo
    Wedges of blood orange
    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.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Blood bags hanging on serum hanger n blood bank — Stock Photo
    Blood bags hanging on serum hanger n blood bank
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Tick on human skin, computer illustration. — Stock Photo
    Tick on human skin, computer illustration.
    Human heart circulatory and electrical system, 3d illustration. Cross section of the heart showing the ventricles and valves, and the electrical (conduction) system (yellow lines) and circulatory system (red and blue lines). — Stock Photo
    Human heart circulatory and electrical system, 3d illustration. Cross section of the heart showing the ventricles and valves, and the electrical (conduction) system (yellow lines) and circulatory system (red and blue lines).
    Heart disease in female body, conceptual digital illustration. — Stock Photo
    Heart disease in female body, conceptual digital illustration.
    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.
    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.
    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.
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Human red blood cells — Stock Photo
    Human red blood cells
    Zombie hand coming out of ground on dark background — Stock Photo
    Zombie hand coming out of ground on dark background
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer illustration.
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Closeup view of several jars of blood orange and Campari marmalade — Stock Photo
    Closeup view of several jars of blood orange and Campari marmalade
    Illustration of stent inside of human fatty artery. — Stock Photo
    Illustration of stent inside of human fatty artery.
    Blood vessels of the head, computer illustration — Stock Photo
    Blood vessels of the head, computer illustration
    Human red blood cells — Stock Photo
    Human red blood cells
    Injured woman treated by paramedic at accident spot — Stock Photo
    Injured woman treated by paramedic at accident spot
    Man holding a heart, computer illustration. — Stock Photo
    Man holding a heart, computer illustration.
    Glass mug of blood orange lemonade and fresh fruit in bowl — Stock Photo
    Glass mug of blood orange lemonade and fresh fruit in bowl
    Neutrophil white blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cells, digital illustration.
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    Rotavirus virus particles in the bloodstream — Stock Photo
    Rotavirus virus particles in the bloodstream
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    Refrigerated centrifuge machine with test tube in blood bank — Stock Photo
    Refrigerated centrifuge machine with test tube in blood bank
    T-cell receptor-MHC-antigen complex — Stock Photo
    T-cell receptor-MHC-antigen complex