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320 results

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    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte. — Stock Photo
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte.
    Red blood cells — Stock Photo
    Red blood cells
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy. — Stock Photo
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy.
    Human alveoli anatomy — Stock Photo
    Human alveoli anatomy
    Colored angiogram of carotid artery in neck of mature patient. — Stock Photo
    Colored angiogram of carotid artery in neck of mature patient.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Anatomy and body systems of adult female — Stock Photo
    Anatomy and body systems of adult female
    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 cardiovascular system — Stock Photo
    Human cardiovascular system
    Female anatomy cardiovascular system with skeleton on black background. — Stock Photo
    Female anatomy cardiovascular system with skeleton on black background.
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Doctor practicing chest compression on infant training dummy. — Stock Photo
    Doctor practicing chest compression on infant training dummy.
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Heart of glass anatomy — Stock Photo
    Heart of glass anatomy
    Human brain with network of blood vessels — Stock Photo
    Human brain with network of blood vessels
    Schematic representation of human vein structure — Stock Photo
    Schematic representation of human vein structure
    Virus particles in blood stream, digital illustration. — Stock Photo
    Virus particles in blood stream, digital illustration.
    Normal cardiovascular system — Stock Photo
    Normal cardiovascular system
    Human anatomy emphasizing upper-body — Stock Photo
    Human anatomy emphasizing upper-body
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery.
    Human red blood cells — Stock Photo
    Human red blood cells
    Nanomachines working on red and white blood cells, digital illustration. — Stock Photo
    Nanomachines working on red and white blood cells, digital illustration.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Cardiovascular system with emphasis on heart — Stock Photo
    Cardiovascular system with emphasis on heart
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation. — Stock Photo
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation.
    Normal cardiovascular system — Stock Photo
    Normal cardiovascular system
    Adult male anatomy — Stock Photo
    Adult male anatomy
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets. — Stock Photo
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets.
    Female anatomy cardiovascular system with skeleton on white background. — Stock Photo
    Female anatomy cardiovascular system with skeleton on white background.
    Circulatory system and blood supply — Stock Photo
    Circulatory system and blood supply
    Skeletal and cardiovascular systems of adult — Stock Photo
    Skeletal and cardiovascular systems of adult
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    3d illustration of activated platelets and thrombocytes while healing and closure of wound. — Stock Photo
    3d illustration of activated platelets and thrombocytes while healing and closure of wound.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, 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.
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Erythrocytes or red blood cells — Stock Photo
    Erythrocytes or red blood cells
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy. — Stock Photo
    Doctor practicing chest compression on cardiopulmonary resuscitation training dummy.
    Brain blood supply — Stock Photo
    Brain blood supply
    Wall of a muscular artery — Stock Photo
    Wall of a muscular artery
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Nanomachines working on red blood cells, digital illustration. — Stock Photo
    Nanomachines working on red blood cells, digital illustration.