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    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Female vascular system structure of legs, computer illustration. — Stock Photo
    Female vascular system structure of legs, computer illustration.
    Illustration of bypass in human heart. — Stock Photo
    Illustration of bypass in human heart.
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Coronary angioplasty stent insertion — Stock Photo
    Coronary angioplasty stent insertion
    Human bronchi and heart, illustration — Stock Photo
    Human bronchi and heart, illustration
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    White blood cell — Stock Photo
    White blood cell
    Cells trapped in fibrin protein mesh — Stock Photo
    Cells trapped in fibrin protein mesh
    Male skeleton with visible vascular system, computer illustration. — Stock Photo
    Male skeleton with visible vascular system, computer illustration.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Female vascular system structure,computer illustration. — Stock Photo
    Female vascular system structure,computer illustration.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Male abdominal blood vessels, digital illustration. — Stock Photo
    Male abdominal blood vessels, digital illustration.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Human heart, computer illustration — Stock Photo
    Human heart, computer illustration
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Illustration of heart and circulatory system. — Stock Photo
    Illustration of heart and circulatory system.
    Illustration of heart in transparent male silhouette. — Stock Photo
    Illustration of heart in transparent male silhouette.
    Vascular system in normal female body, digital illustration. — Stock Photo
    Vascular system in normal female body, digital illustration.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Female anatomy cardiovascular system with skeleton on white background. — Stock Photo
    Female anatomy cardiovascular system with skeleton on white background.
    Schematic human anatomy — Stock Photo
    Schematic human anatomy
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    Red blood cells and protein particles, digital illustration. — Stock Photo
    Red blood cells and protein particles, digital illustration.
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Human red blood cells — Stock Photo
    Human red blood cells
    3d rendered illustration of a biker heart on black background. — Stock Photo
    3d rendered illustration of a biker heart on black background.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Human heart model on white background, computer illustration. — Stock Photo
    Human heart model on white background, computer illustration.
    Illustration of transparent blue silhouette of male body with colored heart. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart.
    Male vascular system — Stock Photo
    Male vascular system
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Medical nanorobot in human blood vessel, panoramic digital illustration. — Stock Photo
    Medical nanorobot in human blood vessel, panoramic digital illustration.
    Blood vessels of the head, computer illustration — Stock Photo
    Blood vessels of the head, 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.
    Female body with visible heart, computer illustration. — Stock Photo
    Female body with visible heart, computer illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Illustration of low density cholesterol lipoprotein in bloodstream. — Stock Photo
    Illustration of low density cholesterol lipoprotein in bloodstream.
    Stent and balloon catheter, digital illustration. — Stock Photo
    Stent and balloon catheter, digital illustration.
    Male vascular system — Stock Photo
    Male vascular system
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Organs comprising human digestive system — Stock Photo
    Organs comprising human digestive system
    Male vascular system — Stock Photo
    Male vascular system
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Mid section of senior man donating blood in blood bank — Stock Photo
    Mid section of senior man donating blood in blood bank
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Human heart with colored right atrium, computer illustration. — Stock Photo
    Human heart with colored right atrium, computer illustration.
    Illustration of heart in silhouette of female body. — Stock Photo
    Illustration of heart in silhouette of female body.