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    Snowy owl perching on wood and eating in autumnal meadow. — Stock Photo
    Snowy owl perching on wood and eating in autumnal meadow.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    3d anatomical model demonstrating female anatomy and internal organs in front view, computer illustration. — Stock Photo
    3d anatomical model demonstrating female anatomy and internal organs in front view, computer illustration.
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Human heart with colored superior vena cava, computer illustration. — Stock Photo
    Human heart with colored superior vena cava, computer illustration.
    Blood oranges, whole and halved, on a grey concrete surface — Stock Photo
    Blood oranges, whole and halved, on a grey concrete surface
    Injured girl treated by paramedic at accident spot — Stock Photo
    Injured girl treated by paramedic at accident spot
    Senior woman using tensiometer to measure blood pressure while sitting at table at home — Stock Photo
    Senior woman using tensiometer to measure blood pressure while sitting at table at home
    Nanobot in bloodstream with red erythrocytes, digital illustration. — Stock Photo
    Nanobot in bloodstream with red erythrocytes, digital illustration.
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Raw meat on metallic table at meat factory — Stock Photo
    Raw meat on metallic table at meat factory
    Female upper body blood vessels, digital illustration. — Stock Photo
    Female upper body blood vessels, digital illustration.
    Blood oranges with drops of juice — Stock Photo
    Blood oranges with drops of juice
    Crop unrecognizable veterinarian measuring pulse of cat with blood oxygen meter during operation in clinic — Stock Photo
    Crop unrecognizable veterinarian measuring pulse of cat with blood oxygen meter during operation in clinic
    Human heart with coronary arteries, digital illustration. — Stock Photo
    Human heart with coronary arteries, digital illustration.
    Human red blood cells — Stock Photo
    Human red blood cells
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital — Stock Photo
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Human heart anatomy — Stock Photo
    Human heart anatomy
    3d rendered illustration of blue silhouette of man with chest pain on white background. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain on white background.
    White blood cells and proteins, digital illustration. — Stock Photo
    White blood cells and proteins, digital illustration.
    Close-up of machine in blood bank — Stock Photo
    Close-up of machine in blood bank
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Fresh Halved oranges — Stock Photo
    Fresh Halved oranges
    Vascular system of female human head, computer illustration. — Stock Photo
    Vascular system of female human head, computer illustration.
    Activated platelets in blood vessel — Stock Photo
    Activated platelets in blood vessel
    3d illustration of cross section of hair follicle with description. — Stock Photo
    3d illustration of cross section of hair follicle with description.
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration. — Stock Photo
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration.
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Female medic in mask collecting blood from arm of male patient sitting in medical chair in modern clinic — Stock Photo
    Female medic in mask collecting blood from arm of male patient sitting in medical chair in modern clinic
    Pumpernickel millefeuilles with sausage — Stock Photo
    Pumpernickel millefeuilles with sausage
    Fruits, red chicory radish and walnuts with hummus — Stock Photo
    Fruits, red chicory radish and walnuts with hummus
    Skull showing brain and neurons, coloured X-ray. — Stock Photo
    Skull showing brain and neurons, coloured X-ray.
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank
    Measuring oxygen saturation in blood with pulse oximeter. — Stock Photo
    Measuring oxygen saturation in blood with pulse oximeter.
    Fresh blood oranges — Stock Photo
    Fresh blood oranges
    Laboratory technicians working together in blood bank — Stock Photo
    Laboratory technicians working together in blood bank
    Pathogenic bacteria in the blood stream — Stock Photo
    Pathogenic bacteria in the blood stream
    Close-up of unconscious woman fallen on ground after accident — Stock Photo
    Close-up of unconscious woman fallen on ground after accident
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Human skin anatomy — Stock Photo
    Human skin anatomy
    Female doctor teaching senior patient how to use glucometer in doctors office — Stock Photo
    Female doctor teaching senior patient how to use glucometer in doctors office
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Abstract male body with visible lymphatic system of neck and heart, computer illustration. — Stock Photo
    Abstract male body with visible lymphatic system of neck and heart, computer illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Dead, dying and healthy red blood cells, conceptual digital illustration. — Stock Photo
    Dead, dying and healthy red blood cells, conceptual digital illustration.
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes. — Stock Photo
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes.
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    A doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress — Stock Photo
    A doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress
    Alveolar tissue macrophage, digital illustration. — Stock Photo
    Alveolar tissue macrophage, digital illustration.
    Elevated view of iced Spritz veneziano with blood oranges and lemon — Stock Photo
    Elevated view of iced Spritz veneziano with blood oranges and lemon
    Laboratory technician checking invoices in blood bank — Stock Photo
    Laboratory technician checking invoices in blood bank
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Vascular system of neck in male body, computer illustration. — Stock Photo
    Vascular system of neck in male body, computer illustration.
    Close-up view of medical syringes with blood sample. — Stock Photo
    Close-up view of medical syringes with blood sample.
    Empty medical armchairs prepared for donors in modern blood transfusion center with contemporary equipment — Stock Photo
    Empty medical armchairs prepared for donors in modern blood transfusion center with contemporary equipment
    Blood clot structure — Stock Photo
    Blood clot structure