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    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation. — Stock Photo
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation.
    Close-up of laboratory technician using machine in blood bank — Stock Photo
    Close-up of laboratory technician using machine in blood bank
    Common Jackal (Canis Aureus) and Black-backed Jackal (Canis mesomelas) attacking and killing a Thomsons Gazelle (Gazella thomsoni) for food; Tanzania — Stock Photo
    Common Jackal (Canis Aureus) and Black-backed Jackal (Canis mesomelas) attacking and killing a Thomsons Gazelle (Gazella thomsoni) for food; Tanzania
    Digital illustration of trypanosome parasites causing Chagas disease in blood vessel. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease in blood vessel.
    Young female doctor with laptop checking up heartbeat of crop anonymous patient with heart rate monitor at desk in hospital during pandemic — Stock Photo
    Young female doctor with laptop checking up heartbeat of crop anonymous patient with heart rate monitor at desk in hospital during pandemic
    Red blood cells in bloodstream — Stock Photo
    Red blood cells in bloodstream
    Blood orange jelly serving — Stock Photo
    Blood orange jelly serving
    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.
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Female doctor taking blood pressure of senior woman. — Stock Photo
    Female doctor taking blood pressure of senior woman.
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Senior man with diabetes using blood glucose meter on finger — Stock Photo
    Senior man with diabetes using blood glucose meter on finger
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Closeup view of Tatin tart with apple and blood sausage — Stock Photo
    Closeup view of Tatin tart with apple and blood sausage
    Physician using digital tablet while senior man donating blood in blood bank — Stock Photo
    Physician using digital tablet while senior man donating blood in blood bank
    Normal human red blood cell — Stock Photo
    Normal human red blood cell
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Close up of horse snoot — Stock Photo
    Close up of horse snoot
    Human heart in cross-section and whole with vessels on white background. — Stock Photo
    Human heart in cross-section and whole with vessels on white background.
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Nudaurelia capensis omega virus particles — Stock Photo
    Nudaurelia capensis omega virus particles
    Close-up of syringe full of blood in hands of male doctor. — Stock Photo
    Close-up of syringe full of blood in hands of male doctor.
    Blood oranges and glass of juice — Stock Photo
    Blood oranges and glass of juice
    Red sea water of Hormuz Island — Stock Photo
    Red sea water of Hormuz Island
    Realistic body model showing female anatomy on white background, computer illustration. — Stock Photo
    Realistic body model showing female anatomy on white background, computer illustration.
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Heart disease in female body, conceptual digital illustration. — Stock Photo
    Heart disease in female body, conceptual digital illustration.
    Cancerous white blood cell in leukaemia — Stock Photo
    Cancerous white blood cell in leukaemia
    Orange marmalade made from blood oranges — Stock Photo
    Orange marmalade made from blood oranges
    Light micrograph showing the abnormal alterations of liver cells and tissues. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph showing the abnormal alterations of liver cells and tissues. Haematoxylin and eosin stain.
    Close-up view of an orange fruit segment — Stock Photo
    Close-up view of an orange fruit segment
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Three blood oranges — Stock Photo
    Three blood oranges
    High angle view of surgical equipment on an table in operation room during surgery — Stock Photo
    High angle view of surgical equipment on an table in operation room during surgery
    Malaria infection infecting red blood cells, digital illustration. — Stock Photo
    Malaria infection infecting red blood cells, digital illustration.
    Human nerve structure in cross section, digital illustration. — Stock Photo
    Human nerve structure in cross section, digital illustration.
    Male back anatomy and skeletal system, computer illustration. — Stock Photo
    Male back anatomy and skeletal system, computer illustration.
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration
    Blood sausage in pan — Stock Photo
    Blood sausage in pan
    Medical illustration of human blood vessels of legs. — Stock Photo
    Medical illustration of human blood vessels of legs.
    Illustration of small tick biting human skin. — Stock Photo
    Illustration of small tick biting human skin.
    Senior couple checking blood sugar with glucometer at home — Stock Photo
    Senior couple checking blood sugar with glucometer at home
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Female thorax anatomy with skeleton and internal organs, computer illustration. — Stock Photo
    Female thorax anatomy with skeleton and internal organs, computer illustration.
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    Structure of activated Platelets — Stock Photo
    Structure of activated Platelets
    Fish and chips with flower salad — Stock Photo
    Fish and chips with flower salad
    Side view of crop anonymous female veterinarian in mask against professional medical device with graphics and numbers on screen — Stock Photo
    Side view of crop anonymous female veterinarian in mask against professional medical device with graphics and numbers on screen
    Laboratory technician using a machine in blood bank — Stock Photo
    Laboratory technician using a machine in blood bank
    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 malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Researcher taking blood sample — Stock Photo
    Researcher taking blood sample
    Blood moon over mountains in Walla Walla — Stock Photo
    Blood moon over mountains in Walla Walla
    Structural anatomy of human pelvis — Stock Photo
    Structural anatomy of human pelvis
    Close up of a hand holding a stopwatch — Stock Photo
    Close up of a hand holding a stopwatch
    White blood cell — Stock Photo
    White blood cell
    Illustration of flowing human blood cells. — Stock Photo
    Illustration of flowing human blood cells.