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    Female body with visible cardiovascular system, digital illustration — Stock Photo
    Female body with visible cardiovascular system, digital illustration
    Male back anatomy and skeletal system, computer illustration. — Stock Photo
    Male back anatomy and skeletal system, computer illustration.
    Blood vessels of the head, computer illustration — Stock Photo
    Blood vessels of the head, computer illustration
    Arteries in transparent dog body, anatomical computer illustration. — Stock Photo
    Arteries in transparent dog body, anatomical computer illustration.
    View of Brain anatomy — Stock Photo
    View of Brain anatomy
    Human heart, computer illustration — Stock Photo
    Human heart, computer illustration
    Blood vessels of the head, computer illustration — Stock Photo
    Blood vessels of the head, computer illustration
    Illustration of cancerous tumour in female heart. — Stock Photo
    Illustration of cancerous tumour in female heart.
    Illustration of heart in male body silhouette on white background. — Stock Photo
    Illustration of heart in male body silhouette on white background.
    Coronary angioplasty stent insertion — Stock Photo
    Coronary angioplasty stent insertion
    Lobar pneumonia in stage of congestion and consolidation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of congestion and consolidation, digital illustration and light micrograph.
    Illustration of human silhouette with painful heart. — Stock Photo
    Illustration of human silhouette with painful heart.
    Blood vessels of foot, computer illustration — Stock Photo
    Blood vessels of foot, computer illustration
    Runner silhouette with visible heart, composite digital illustration. — Stock Photo
    Runner silhouette with visible heart, composite digital illustration.
    Vascular system of female human head, computer illustration. — Stock Photo
    Vascular system of female human head, computer illustration.
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Light micrograph of a plant stem cross section. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of a plant stem cross section. Haematoxylin and eosin stain.
    Human brain with blood supply network — Stock Photo
    Human brain with blood supply network
    Illustration of blue human heart on black background. — Stock Photo
    Illustration of blue human heart on black background.
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer illustration.
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer illustration.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration. — Stock Photo
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration.
    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.
    Female body with visible heart and cardiovascular system, digital illustration — Stock Photo
    Female body with visible heart and cardiovascular system, digital illustration
    Female body showing neck anatomy, computer illustration. — Stock Photo
    Female body showing neck anatomy, computer illustration.
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Man holding a heart, computer illustration. — Stock Photo
    Man holding a heart, computer illustration.
    Illustration of realistic human heart with bypass. — Stock Photo
    Illustration of realistic human heart with bypass.
    Female anatomy showing vascular system, digital illustration. — Stock Photo
    Female anatomy showing vascular system, digital illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Illustration of stent inside of human fatty artery. — Stock Photo
    Illustration of stent inside of human fatty artery.
    Full dog anatomy with internal organs and skeleton, digital illustration. — Stock Photo
    Full dog anatomy with internal organs and skeleton, digital illustration.
    Male abdominal organs, midsection, digital illustration. — Stock Photo
    Male abdominal organs, midsection, digital illustration.
    Vascular system in normal female body, digital illustration — Stock Photo
    Vascular system in normal female body, digital illustration
    Female body with heart attack, conceptual digital illustration. — Stock Photo
    Female body with heart attack, conceptual digital illustration.
    Male body with visible vascular system, computer illustration. — Stock Photo
    Male body 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 vascular system — Stock Photo
    Male vascular system
    Human Aorta, computer illustration. — Stock Photo
    Human Aorta, computer illustration.
    Heart attack in human body, conceptual illustration. — Stock Photo
    Heart attack in human body, conceptual illustration.
    Female body with visible vascular system, digital illustration. — Stock Photo
    Female body with visible vascular system, digital illustration.
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    Leaf epidermis, light micrograph. The leaf epidermis under light microscope view has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. The leaf epidermis under light microscope view has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Vascular system in male body, computer illustration. — Stock Photo
    Vascular system in male body, computer illustration.
    Full dog musculature with internal organs, digital illustration. — Stock Photo
    Full dog musculature with internal organs, digital illustration.
    Lung and bronchi structure — Stock Photo
    Lung and bronchi structure
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    3d rendered illustration of human heart. — Stock Photo
    3d rendered illustration of 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.
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    Organs comprising human digestive system — Stock Photo
    Organs comprising human digestive system
    Vascular system in male body, computer illustration. — Stock Photo
    Vascular system in male body, computer illustration.
    Vascular system in normal female body, digital illustration. — Stock Photo
    Vascular system in normal female body, digital illustration.
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Illustration of platelets fixing wound with erythrocytes blood flow. — Stock Photo
    Illustration of platelets fixing wound with erythrocytes blood flow.