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    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Male vascular system — Stock Photo
    Male vascular system
    Human brain with network of blood vessels — Stock Photo
    Human brain with network of blood vessels
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Illustration of female silhouette with painful heart. — Stock Photo
    Illustration of female silhouette with painful heart.
    Illustration of heart and close-up of infection bacteria in male body silhouette on black background. — Stock Photo
    Illustration of heart and close-up of infection bacteria in male body silhouette on black background.
    Medical nanorobot in blood flow, digital illustration. — Stock Photo
    Medical nanorobot in blood flow, digital illustration.
    Illustration of bypass in human heart. — Stock Photo
    Illustration of bypass in human heart.
    Bacteria and viruses in human artery, digital illustration. — Stock Photo
    Bacteria and viruses in human artery, digital illustration.
    Female upper body blood vessels, digital illustration. — Stock Photo
    Female upper body blood vessels, digital illustration.
    Realistic human heart and blood vessels on white background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on white background, digital illustration.
    Vascular system in obese female body, digital illustration — Stock Photo
    Vascular system in obese female body, digital illustration
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Vascular system in normal female body, digital illustration — Stock Photo
    Vascular system in normal female body, digital illustration
    Red blood cells — Stock Photo
    Red blood cells
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Vascular system in normal female body, digital illustration — Stock Photo
    Vascular system in normal female body, digital illustration
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Patient with a heart pacemaker — Stock Photo
    Patient with a heart pacemaker
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    View of Brain anatomy — Stock Photo
    View of Brain anatomy
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Medical nanorobot in human blood vessel, panoramic digital illustration. — Stock Photo
    Medical nanorobot in human blood vessel, panoramic digital illustration.
    Illustration of female silhouette with highlighted heart. — Stock Photo
    Illustration of female silhouette with highlighted heart.
    Circulatory and nervous systems — Stock Photo
    Circulatory and nervous systems
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    3d rendered illustration of biker heart on black background. — Stock Photo
    3d rendered illustration of biker heart on black background.
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    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.
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    Basketball player anatomy with visible heart, computer illustration. — Stock Photo
    Basketball player anatomy with visible heart, computer illustration.
    Heart anatomy in male thorax, computer illustration. — Stock Photo
    Heart anatomy in male thorax, 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.
    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.
    Representation of Circulatory system — Stock Photo
    Representation of Circulatory system
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    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.
    Heart cutout view with pulmonary valve, mitral valve and tricuspid — Stock Photo
    Heart cutout view with pulmonary valve, mitral valve and tricuspid
    Red blood cells — Stock Photo
    Red blood cells
    Normal and healthy abdomen anatomy — Stock Photo
    Normal and healthy abdomen anatomy
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Human heart with colored tricuspid valve, computer illustration. — Stock Photo
    Human heart with colored tricuspid valve, computer illustration.
    Digital anatomical illustration of arteries and veins in body of senior man. — Stock Photo
    Digital anatomical illustration of arteries and veins in body of senior man.
    Virus in human blood, computer illustration. — Stock Photo
    Virus in human blood, computer illustration.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Abdominal vascular system in male body, computer illustration. — Stock Photo
    Abdominal vascular system in male body, computer illustration.
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Vascular system of healthy adult — Stock Photo
    Vascular system of healthy adult
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Blood pumping around a human heart, illustration. — Stock Photo
    Blood pumping around a human heart, illustration.
    Coronary arteries, computer illustration. — Stock Photo
    Coronary arteries, computer illustration.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Male vascular system — Stock Photo
    Male vascular system