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    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.
    Skeletal and cardiovascular systems of adult — Stock Photo
    Skeletal and cardiovascular systems of adult
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Red blood cells — Stock Photo
    Red blood cells
    Illustration of heart in male body silhouette. — Stock Photo
    Illustration of heart in male body silhouette.
    Illustration of heart tumour in male body silhouette on black background. — Stock Photo
    Illustration of heart tumour in male body silhouette on black background.
    Normal human anatomy — Stock Photo
    Normal human anatomy
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    Brain's blood supply — Stock Photo
    Brain's blood supply
    Vascular system of female upper body, computer illustration. — Stock Photo
    Vascular system of female upper body, computer illustration.
    Coronary veins, computer illustration. — Stock Photo
    Coronary veins, computer illustration.
    Vascular system of female upper body, digital illustration — Stock Photo
    Vascular system of female upper body, digital illustration
    View of Male vascular system — Stock Photo
    View of Male vascular system
    White blood cells with red blood cells, computer illustration. — Stock Photo
    White blood cells with red blood cells, computer illustration.
    Visual rendering of Heart anatomy — Stock Photo
    Visual rendering of Heart anatomy
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Erythrocytes or red blood cells — Stock Photo
    Erythrocytes or red blood cells
    Illustration of human heart anatomy on grey background. — Stock Photo
    Illustration of human heart anatomy on grey background.
    Blood vessels of human head and neck, digital illustration. — Stock Photo
    Blood vessels of human head and neck, digital illustration.
    Runner silhouette with visible heart, composite digital illustration. — Stock Photo
    Runner silhouette with visible heart, composite digital illustration.
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Stent and balloon catheter for implantation into blood vessel, digital illustration. — Stock Photo
    Stent and balloon catheter for implantation into blood vessel, digital illustration.
    Vascular system of healthy adult — Stock Photo
    Vascular system of healthy adult
    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.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Blood vessels of foot, computer illustration — Stock Photo
    Blood vessels of foot, computer illustration
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Red blood cells — Stock Photo
    Red blood cells
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Illustration of human silhouette with painful heart. — Stock Photo
    Illustration of human silhouette with painful heart.
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Male body with visible vascular system, computer illustration. — Stock Photo
    Male body with visible vascular system, computer illustration.
    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Grey human heart model on white background, computer illustration. — Stock Photo
    Grey human heart model on white background, computer illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Visible heart in female body silhouette, computer illustration. — Stock Photo
    Visible heart in female body silhouette, computer illustration.
    Narrowed abdominal arteries, coloured angiogram - blood vessel X-ray . — Stock Photo
    Narrowed abdominal arteries, coloured angiogram - blood vessel X-ray .
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Male body with visible vascular system, computer illustration. — Stock Photo
    Male body with visible vascular system, computer illustration.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.