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    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Illustration of bypass in human heart. — Stock Photo
    Illustration of bypass in human heart.
    3d illustration of a cross-section of the human eye in a side view. — Stock Photo
    3d illustration of a cross-section of the human eye in a side view.
    Illustration of transparent blue silhouette of male body with colored heart tumour. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart tumour.
    Illustration of figure of obese man with visible heart. — Stock Photo
    Illustration of figure of obese man with visible heart.
    Close-up of yellow flageolet bean on white background. — Stock Photo
    Close-up of yellow flageolet bean on white background.
    Green natural detail plant pattern — Stock Photo
    Green natural detail plant pattern
    Illustration of thyroid tumour in realistic skeleton. — Stock Photo
    Illustration of thyroid tumour in realistic skeleton.
    3d illustration of blood knot in artery vessel. — Stock Photo
    3d illustration of blood knot in artery vessel.
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red).
    3d rendered illustration of heart attack on white background. — Stock Photo
    3d rendered illustration of heart attack on white background.
    3d rendered illustration of human vascular system. — Stock Photo
    3d rendered illustration of human vascular system.
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Closeup texture of dark rough rock in sunlight — Stock Photo
    Closeup texture of dark rough rock in sunlight
    Illustration of human blood cells on black background. — Stock Photo
    Illustration of human blood cells on black background.
    Illustration of skin cross section on white background. — Stock Photo
    Illustration of skin cross section on white background.
    Close-up view of a ladybug on a dry leaf — Stock Photo
    Close-up view of a ladybug on a dry leaf
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Crop unrecognizable female with spinach foliage over bowl on table during cooking process in house — Stock Photo
    Crop unrecognizable female with spinach foliage over bowl on table during cooking process in house
    Macro detail of green cabbage — Stock Photo
    Macro detail of green cabbage
    Illustration of female silhouette with highlighted heart. — Stock Photo
    Illustration of female silhouette with highlighted heart.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Female structural anatomy — Stock Photo
    Female structural anatomy
    Illustration of female silhouette with inflamed heart. — Stock Photo
    Illustration of female silhouette with inflamed heart.
    Illustration of red human blood cells on black background. — Stock Photo
    Illustration of red human blood cells on black background.
    Human skin anatomy — Stock Photo
    Human skin anatomy
    Illustration of flowing human blood cells. — Stock Photo
    Illustration of flowing human blood cells.
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Fresh green spinach leaves, close up — Stock Photo
    Fresh green spinach leaves, close up
    Cardiovascular system transporting nutrients and oxygen — Stock Photo
    Cardiovascular system transporting nutrients and oxygen
    Illustration of female silhouette with highlighted heart infection. — Stock Photo
    Illustration of female silhouette with highlighted heart infection.
    Metallic shield bug on a leaf, closeup view — Stock Photo
    Metallic shield bug on a leaf, closeup view
    Focused child with green plant leaf looking through magnifying glass in woods on blurred background — Stock Photo
    Focused child with green plant leaf looking through magnifying glass in woods on blurred background
    Liver tissue, light micrograph. Animal tissue. — Stock Photo
    Liver tissue, light micrograph. Animal tissue.
    3d illustration of constricted and narrowed artery while arteriosclerosis. — Stock Photo
    3d illustration of constricted and narrowed artery while arteriosclerosis.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Illustration of blood cells in injured artery. — Stock Photo
    Illustration of blood cells in injured artery.
    Illustration of heart in human body silhouette. — Stock Photo
    Illustration of heart in human body silhouette.
    Human structural anatomy — Stock Photo
    Human structural anatomy
    Illustration of senior man silhouette with visible heart. — Stock Photo
    Illustration of senior man silhouette with visible heart.
    Illustration of blue liquid injected into bloodstream with syringe seen from inside with blood and green virus cells. — Stock Photo
    Illustration of blue liquid injected into bloodstream with syringe seen from inside with blood and green virus cells.
    3d rendered illustration of human heart. — Stock Photo
    3d rendered illustration of human heart.
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital — Stock Photo
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital
    Illustration of single human blood cell on black background. — Stock Photo
    Illustration of single human blood cell on black background.
    Schematic representation of human vein structure — Stock Photo
    Schematic representation of human vein structure
    Illustration of heart in transparent male silhouette. — Stock Photo
    Illustration of heart in transparent male silhouette.
    3d rendered illustration of blue silhouette of man with chest pain. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain.
    Close-up view of Swiss Chard Leaf — Stock Photo
    Close-up view of Swiss Chard Leaf
    Illustration of senior woman blue silhouette with highlighted heart on white background. — Stock Photo
    Illustration of senior woman blue silhouette with highlighted heart on white background.
    Blood vessel network of human head and brain — Stock Photo
    Blood vessel network of human head and brain
    Illustration of human heart and lungs on white background. — Stock Photo
    Illustration of human heart and lungs on white background.
    Illustration of blood cells in injured artery. — Stock Photo
    Illustration of blood cells in injured artery.
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Male vascular system — Stock Photo
    Male vascular system
    Female donor with patch on hand sitting in medical chair after blood transfusion procedure — Stock Photo
    Female donor with patch on hand sitting in medical chair after blood transfusion procedure
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Close up of Blood test — Stock Photo
    Close up of Blood test
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Bacteria and viruses in human artery, digital illustration. — Stock Photo
    Bacteria and viruses in human artery, digital illustration.
    Skeletal and cardiovascular systems of adult — Stock Photo
    Skeletal and cardiovascular systems of adult