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    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration.
    Cross-section of human artery — Stock Photo
    Cross-section of human artery
    Doctor taking blood sample — Stock Photo
    Doctor taking blood sample
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Digital illustration showing red blood cells, platelets, neutrophils, monocyte and lymphocytes in normal blood smear. — Stock Photo
    Digital illustration showing red blood cells, platelets, neutrophils, monocyte and lymphocytes in normal blood smear.
    Illustration of flowing human blood cells. — Stock Photo
    Illustration of flowing human blood cells.
    Low angle rear view of human silhouette showing male anatomy, digital illustration. — Stock Photo
    Low angle rear view of human silhouette showing male anatomy, digital illustration.
    Closeup of anonymous female patient using pulseoximeter to measure level of oxygen in blood while putting device on finger in room — Stock Photo
    Closeup of anonymous female patient using pulseoximeter to measure level of oxygen in blood while putting device on finger in room
    3d anatomical model demonstrating female anatomy and internal organs in obese body in front view, computer illustration. — Stock Photo
    3d anatomical model demonstrating female anatomy and internal organs in obese body in front view, computer illustration.
    Donor blood being separated into component parts in bags. — Stock Photo
    Donor blood being separated into component parts in bags.
    Laboratory technician analyzing blood bags in blood bank — Stock Photo
    Laboratory technician analyzing blood bags in blood bank
    Close-up of blood sample in kidney dish. — Stock Photo
    Close-up of blood sample in kidney dish.
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration
    Top view of two hands with Callos dishes over yellow background — Stock Photo
    Top view of two hands with Callos dishes over yellow background
    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.
    Vascular system in normal female body, digital illustration — Stock Photo
    Vascular system in normal female body, digital illustration
    Back view of anonymous fearless toreador performing holding capote with wild bull on bullring during corrida festival — Stock Photo
    Back view of anonymous fearless toreador performing holding capote with wild bull on bullring during corrida festival
    Red and white blood cells aggregating — Stock Photo
    Red and white blood cells aggregating
    Female upper body anatomy and muscular system, computer illustration. — Stock Photo
    Female upper body anatomy and muscular system, computer illustration.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    Human heart with coronary blood vessels, illustration. — Stock Photo
    Human heart with coronary blood vessels, illustration.
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence. — Stock Photo
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence.
    Vegan tapioca pasta with beluga lentils, kale, blood oranges and coriander — Stock Photo
    Vegan tapioca pasta with beluga lentils, kale, blood oranges and coriander
    3d rendered illustration of human vascular system. — Stock Photo
    3d rendered illustration of human vascular system.
    Blood vessels of the knee, computer illustration — Stock Photo
    Blood vessels of the knee, computer illustration
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Red blood cells — Stock Photo
    Red blood cells
    Illustration of flowing human blood cells. — Stock Photo
    Illustration of flowing human blood cells.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Crop unrecognizable doctors standing near operating table with blood suction catheters and needles during surgery in modern clinic — Stock Photo
    Crop unrecognizable doctors standing near operating table with blood suction catheters and needles during surgery in modern clinic
    Tatare wraps with orange — Stock Photo
    Tatare wraps with orange
    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.
    Normal cardiovascular system — Stock Photo
    Normal cardiovascular system
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital — Stock Photo
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital
    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).
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Male upper body anatomy and internal organs, computer illustration. — Stock Photo
    Male upper body anatomy and internal organs, computer illustration.
    Oranges and blood oranges being juiced in hand juicer — Stock Photo
    Oranges and blood oranges being juiced in hand juicer
    Illustration of glass heart on black background. — Stock Photo
    Illustration of glass heart on black background.
    Male back anatomy and skeletal system, computer illustration. — Stock Photo
    Male back anatomy and skeletal system, computer illustration.
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    Red blood cells — Stock Photo
    Red blood cells
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cell. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cell.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Cross-section of the human eye, 3d illustration. — Stock Photo
    Cross-section of the human eye, 3d illustration.
    Calcitonin peptide bound to receptor, illustration. — Stock Photo
    Calcitonin peptide bound to receptor, illustration.
    Female anatomy showing vascular system, digital illustration. — Stock Photo
    Female anatomy showing vascular system, digital illustration.
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Plate with blood oranges and clementines — Stock Photo
    Plate with blood oranges and clementines
    Female body with heart attack, conceptual digital illustration. — Stock Photo
    Female body with heart attack, conceptual digital 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).
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Chest, neck and head arteries — Stock Photo
    Chest, neck and head arteries
    Cardiovascular system and heart in normal male body, computer illustration. — Stock Photo
    Cardiovascular system and heart in normal male body, computer illustration.
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Various blood bags in blood bank — Stock Photo
    Various blood bags in blood bank