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    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red).
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Amazing blood moon on dark night sky during eclipse in Madrid, Spain — Stock Photo
    Amazing blood moon on dark night sky during eclipse in Madrid, Spain
    3d rendered illustration of blue silhouette of man with chest pain. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain.
    Red moon in black night sky — Stock Photo
    Red moon in black night sky
    Female body with visible cardiovascular system, digital illustration — Stock Photo
    Female body with visible cardiovascular system, digital illustration
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Close-up of micropipette pipetting blood sample into petri dish. — Stock Photo
    Close-up of micropipette pipetting blood sample into petri dish.
    Female mosquito on skin — Stock Photo
    Female mosquito on skin
    Colored carotid artery, medical doppler ultrasound scan. — Stock Photo
    Colored carotid artery, medical doppler ultrasound scan.
    Illustration of human vascular system on blue background. — Stock Photo
    Illustration of human vascular system on blue background.
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Side view of male doctor checking blood pressure of senior patient blood pressure gauge at clinic — Stock Photo
    Side view of male doctor checking blood pressure of senior patient blood pressure gauge at clinic
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Brain anatomy showing blood supply system — Stock Photo
    Brain anatomy showing blood supply system
    Upper-body anatomy of adult male — Stock Photo
    Upper-body anatomy of adult male
    Digital illustration of mosquito sucking blood on skin. — Stock Photo
    Digital illustration of mosquito sucking blood on skin.
    Tick biting skin — Stock Photo
    Tick biting skin
    Therapist placing heated cups on client back for cupping therapy. — Stock Photo
    Therapist placing heated cups on client back for cupping therapy.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    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
    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
    Molecules of insulin circulating in the blood stream — Stock Photo
    Molecules of insulin circulating in the blood stream
    Tick showing its mouthparts — Stock Photo
    Tick showing its mouthparts
    Laboratory technicians analyzing blood sample in blood bank — Stock Photo
    Laboratory technicians analyzing blood sample in blood bank
    Plasmodium ovale protozoan inside red blood cells in the stage of schizont, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells in the stage of schizont, computer illustration
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Close-up view of medical syringes with blood sample. — Stock Photo
    Close-up view of medical syringes with blood sample.
    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.
    Red blood cells — Stock Photo
    Red blood cells
    Blood supply network of human head — Stock Photo
    Blood supply network of human head
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood — Stock Photo
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood
    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
    Gloved hand holding blood sample in test tube. — Stock Photo
    Gloved hand holding blood sample in test tube.
    Male head and neck anatomy and musculature, digital illustration. — Stock Photo
    Male head and neck anatomy and musculature, digital illustration.
    3d rendered illustration of human heart. — Stock Photo
    3d rendered illustration of human heart.
    Human heart model on white background, computer illustration. — Stock Photo
    Human heart model on white background, computer illustration.
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Human bone marrow, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human bone marrow, light micrograph. Haematoxylin and eosin stain.
    Parasitic amoeba engulfing red blood cells, illustration in imaging flow cytometry. — Stock Photo
    Parasitic amoeba engulfing red blood cells, illustration in imaging flow cytometry.
    Halved blood oranges — Stock Photo
    Halved blood oranges
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Blood samples — Stock Photo
    Blood samples
    Digital illustration of mosquito sucking blood on skin. — Stock Photo
    Digital illustration of mosquito sucking blood on skin.
    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.
    Molecules of insulin circulating in the blood stream — Stock Photo
    Molecules of insulin circulating in the blood stream
    Forensics expert collecting evidence from crime scene behind cordon tape. — Stock Photo
    Forensics expert collecting evidence from crime scene behind cordon tape.
    Close-up of laboratory technician wearing gloves in blood bank — Stock Photo
    Close-up of laboratory technician wearing gloves in blood bank
    Black pudding with onions — Stock Photo
    Black pudding with onions
    Heart anatomy in male thorax, computer illustration. — Stock Photo
    Heart anatomy in male thorax, computer illustration.
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    Medical illustration of blocked artery disorder. — Stock Photo
    Medical illustration of blocked artery disorder.
    Lymphocyte white blood cell, digital illustration. — Stock Photo
    Lymphocyte white blood cell, digital illustration.
    Still life of blood orange ice cream — Stock Photo
    Still life of blood orange ice cream
    Cropped shot of person receiving blood transfusion in hospital — Stock Photo
    Cropped shot of person receiving blood transfusion in hospital
    Tick on human skin, computer illustration. — Stock Photo
    Tick on human skin, computer illustration.