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    Group of surgeons performing operation in operation theater of hospital — Stock Photo
    Group of surgeons performing operation in operation theater of hospital
    Illustration of senior man silhouette with visible heart. — Stock Photo
    Illustration of senior man silhouette with visible heart.
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Senior woman checking her blood pressure at home — Stock Photo
    Senior woman checking her blood pressure at home
    Vegan blood orange cupcakes, coloured with active charcoal with two-tone nougat frosting — Stock Photo
    Vegan blood orange cupcakes, coloured with active charcoal with two-tone nougat frosting
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Ewe licking clean her newborn lamb — Stock Photo
    Ewe licking clean her newborn lamb
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Illustration of schistosoma blood fluke flatworm on black background. — Stock Photo
    Illustration of schistosoma blood fluke flatworm on black background.
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Plastic surgery operation, modifying the eye region in medical clinic — Stock Photo
    Plastic surgery operation, modifying the eye region in medical clinic
    Medical illustration of human blood vessels of head. — Stock Photo
    Medical illustration of human blood vessels of head.
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    Red sea water of Hormuz Island — Stock Photo
    Red sea water of Hormuz Island
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Doctor measuring blood pressure — Stock Photo
    Doctor measuring blood pressure
    Illustration of cross section of human skin with hair follicles and blood vessels. — Stock Photo
    Illustration of cross section of human skin with hair follicles and blood vessels.
    Tick biting skin — Stock Photo
    Tick biting skin
    3d illustration of red blood cells erythrocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes.
    Red blood cells — Stock Photo
    Red blood cells
    Vascular system in normal female body, digital illustration. — Stock Photo
    Vascular system in normal female body, digital illustration.
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is red. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (black) contain enzymes for digesting foreign particles. — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is red. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (black) contain enzymes for digesting foreign particles.
    Wedge of blood orange on knife — Stock Photo
    Wedge of blood orange on knife
    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.
    Blood orange halves on a turquoise background — Stock Photo
    Blood orange halves on a turquoise background
    Illustration of transparent blue silhouette of male body with colored heart tumour. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart tumour.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Laboratory technician checking weight of blood bags in blood bank — Stock Photo
    Laboratory technician checking weight of blood bags in blood bank
    Headache, computer illustration. A male body, with skeleton, holding its head in pain. The red area in the skull represents the pain of a headache — Stock Photo
    Headache, computer illustration. A male body, with skeleton, holding its head in pain. The red area in the skull represents the pain of a headache
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Laboratory technician working on computer — Stock Photo
    Laboratory technician working on computer
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer 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.
    Male abdominal blood vessels, digital illustration. — Stock Photo
    Male abdominal blood vessels, digital illustration.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Muffins with matcha, blood orange and raisins — Stock Photo
    Muffins with matcha, blood orange and raisins
    Human immunodeficiency virus structure — Stock Photo
    Human immunodeficiency virus structure
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system — Stock Photo
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Paramedics examining injured girl on street — Stock Photo
    Paramedics examining injured girl on street
    Human upper body blood vessels, digital illustration. — Stock Photo
    Human upper body blood vessels, digital illustration.
    Mosquito feeding on human blood, digital illustration. — Stock Photo
    Mosquito feeding on human blood, digital illustration.
    Colored X-ray showing blood vessels in lung. — Stock Photo
    Colored X-ray showing blood vessels in lung.
    Atherosclerosis harming blood vessel — Stock Photo
    Atherosclerosis harming blood vessel
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Coyotes around carcass — Stock Photo
    Coyotes around carcass
    Crop anonymous veterinarian in sterile gloves with surgical tweezers and scissors operating animal against heart rate monitor in hospital — Stock Photo
    Crop anonymous veterinarian in sterile gloves with surgical tweezers and scissors operating animal against heart rate monitor in hospital
    Laboratory technician placing plasma bags in cabinet at blood bank — Stock Photo
    Laboratory technician placing plasma bags in cabinet at blood bank
    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.
    3d rendered illustration of a biker heart on black background. — Stock Photo
    3d rendered illustration of a biker heart on black background.
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Hands of butcher chopping red meat at butchers shop — Stock Photo
    Hands of butcher chopping red meat at butchers shop
    3d rendered illustration of biker heart on black background. — Stock Photo
    3d rendered illustration of biker heart on black background.
    Illustration of stent inside of human fatty artery. — Stock Photo
    Illustration of stent inside of human fatty artery.
    Covid-19 coronavirus particles, illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019. The virus causes a mild respiratory illness (Covid-19) that can develop into pneumonia — Stock Photo
    Covid-19 coronavirus particles, illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019. The virus causes a mild respiratory illness (Covid-19) that can develop into pneumonia
    Female doctor drawing blood from senior male patient in clinic examination room — Stock Photo
    Female doctor drawing blood from senior male patient in clinic examination room
    Blood sausage, chorizo and lemons on the wall — Stock Photo
    Blood sausage, chorizo and lemons on the wall