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    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence. — Stock Photo
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence.
    Medical illustration of human blood vessels of legs. — Stock Photo
    Medical illustration of human blood vessels of legs.
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Purple Macrophage, computer illustration — Stock Photo
    Purple Macrophage, computer illustration
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Male abdominal blood vessels, digital illustration. — Stock Photo
    Male abdominal blood vessels, digital illustration.
    Female abdominal organs, computer illustration. — Stock Photo
    Female abdominal organs, computer illustration.
    3d illustration of constricted and narrowed artery while arteriosclerosis. — Stock Photo
    3d illustration of constricted and narrowed artery while arteriosclerosis.
    3d rendered illustration of human heart. — Stock Photo
    3d rendered illustration of human heart.
    Senior woman with diabetes using blood glucose meter on finger — Stock Photo
    Senior woman with diabetes using blood glucose meter on finger
    Bloody cut hand dragging on ground — Stock Photo
    Bloody cut hand dragging on ground
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Blood oranges with grapefruits — Stock Photo
    Blood oranges with grapefruits
    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.
    Illustration of leucocyte cell surrounded by antibodies on white background. — Stock Photo
    Illustration of leucocyte cell surrounded by antibodies on white background.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    From above of syringes in bowl with bloody water placed on sterile field near various surgical instruments in operating theater — Stock Photo
    From above of syringes in bowl with bloody water placed on sterile field near various surgical instruments in operating theater
    Medical check-up including blood and urine test samples and results. — Stock Photo
    Medical check-up including blood and urine test samples and results.
    Cancer cells and blood vessels — Stock Photo
    Cancer cells and blood vessels
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    Veterinarian examining cat in veterinary surgery — Stock Photo
    Veterinarian examining cat in veterinary surgery
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    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.
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Erythrocyte red blood cell, digital illustration. — Stock Photo
    Erythrocyte red blood cell, digital illustration.
    Elevated view of iced Spritz veneziano with blood oranges and lemon — Stock Photo
    Elevated view of iced Spritz veneziano with blood oranges and lemon
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Female abdominal vascular system, computer illustration. — Stock Photo
    Female abdominal vascular system, computer illustration.
    Crop unrecognizable veterinarian measuring pulse of cat with blood oxygen meter during operation in clinic — Stock Photo
    Crop unrecognizable veterinarian measuring pulse of cat with blood oxygen meter during operation in clinic
    High angle view of two turtles swimming in clean water of calm lake in nature — Stock Photo
    High angle view of two turtles swimming in clean water of calm lake in nature
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    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.
    3d rendered illustration of colored female heart in body silhouette. — Stock Photo
    3d rendered illustration of colored female heart in body silhouette.
    Human red blood cells and platelets — Stock Photo
    Human red blood cells and platelets
    3d rendered illustration of little tick on skin surface. — Stock Photo
    3d rendered illustration of little tick on skin surface.
    Female abdominal vascular system, computer illustration. — Stock Photo
    Female abdominal vascular system, computer illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Female medic in mask collecting blood from arm of male patient sitting in medical chair in modern clinic — Stock Photo
    Female medic in mask collecting blood from arm of male patient sitting in medical chair in modern clinic
    Crop unrecognizable plastic surgeons in gowns and gloves using tweezers while performing rhinoplasty operation in contemporary clinic — Stock Photo
    Crop unrecognizable plastic surgeons in gowns and gloves using tweezers while performing rhinoplasty operation in contemporary clinic
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Senior mixed race man with female doctor home visiting wearing face masks taking blood pressure. senior healthcare at home during quarantine lockdown. — Stock Photo
    Senior mixed race man with female doctor home visiting wearing face masks taking blood pressure. senior healthcare at home during quarantine lockdown.
    Illustration of flowing human blood cells. — Stock Photo
    Illustration of flowing human blood cells.
    Illustration on black of silhouette of obese woman with highlighted heart. — Stock Photo
    Illustration on black of silhouette of obese woman with highlighted heart.
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    3d rendered colored illustration of tick on skin surface. — Stock Photo
    3d rendered colored illustration of tick on skin surface.
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer illustration.
    Abstract male body with visible lymphatic system and heart, computer illustration. — Stock Photo
    Abstract male body with visible lymphatic system and heart, 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.
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Senior woman using tensiometer to measure blood pressure while sitting at table at home — Stock Photo
    Senior woman using tensiometer to measure blood pressure while sitting at table at home
    Front view of frog — Stock Photo
    Front view of frog
    Heart anatomy in male thorax, computer illustration. — Stock Photo
    Heart anatomy in male thorax, computer illustration.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital 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.
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.