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    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    3d rendered illustration of vascular system of human head. — Stock Photo
    3d rendered illustration of vascular system of human head.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Human heart in cross-section with blood vessels on white background. — Stock Photo
    Human heart in cross-section with blood vessels on white background.
    Illustration of senior man silhouette with visible heart. — Stock Photo
    Illustration of senior man silhouette with visible heart.
    Woman checking her blood pressure. — Stock Photo
    Woman checking her blood pressure.
    Close-up of a cute crawling lizard on blue background — Stock Photo
    Close-up of a cute crawling lizard on blue background
    Close-up of unconscious girl fallen on ground after accident — Stock Photo
    Close-up of unconscious girl fallen on ground after accident
    Cross-section of human artery — Stock Photo
    Cross-section of human artery
    Red sea water of Hormuz Island — Stock Photo
    Red sea water of Hormuz Island
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    3d rendered illustration of pancreas producing hormones. — Stock Photo
    3d rendered illustration of pancreas producing hormones.
    Red blood cells — Stock Photo
    Red blood cells
    Illustration of realistic human heart with 3 bypasses. — Stock Photo
    Illustration of realistic human heart with 3 bypasses.
    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.
    Anatomy of human neck — Stock Photo
    Anatomy of human neck
    Tick on human skin, computer illustration. — Stock Photo
    Tick on human skin, computer illustration.
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Surgeon and nurse standing in operating room by metal table and working at covered patient in veterinary clinic — Stock Photo
    Surgeon and nurse standing in operating room by metal table and working at covered patient in veterinary clinic
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital — Stock Photo
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital
    Slice of blood orange — Stock Photo
    Slice of blood orange
    Male body with visible vascular system, computer illustration. — Stock Photo
    Male body with visible vascular system, computer illustration.
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration.
    Senior woman checking blood pressure on a monitor at home — Stock Photo
    Senior woman checking blood pressure on a monitor at home
    Activated platelets with canalicular system — Stock Photo
    Activated platelets with canalicular system
    Illustration of transparent human heart silhouette. — Stock Photo
    Illustration of transparent human heart silhouette.
    Bones and blood supply system of skull — Stock Photo
    Bones and blood supply system of skull
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Human heart with coronary blood vessels, digital illustration. — Stock Photo
    Human heart with coronary blood vessels, digital illustration.
    Insulin binding to insulin receptor — Stock Photo
    Insulin binding to insulin receptor
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Collage of masks for protection factor KN95 on a blue background zenith view — Stock Photo
    Collage of masks for protection factor KN95 on a blue background zenith view
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    DNA researcher pipetting into tube with reference in background. — Stock Photo
    DNA researcher pipetting into tube with reference in background.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Neutrophil in human blood, computer illustration. — Stock Photo
    Neutrophil in human blood, computer illustration.
    Glass mug of blood orange lemonade and fresh fruit in bowl — Stock Photo
    Glass mug of blood orange lemonade and fresh fruit in bowl
    Donated blood in bag on white background. — Stock Photo
    Donated blood in bag on white background.
    Male scientist doing medical testing of sample under microscope. — Stock Photo
    Male scientist doing medical testing of sample under microscope.
    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
    Sliced blood oranges — Stock Photo
    Sliced blood oranges
    Human heart model on white background, computer illustration. — Stock Photo
    Human heart model on white background, computer illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Anonymous focused male surgeon in blue gown mask and magnifying eyeglasses standing near sterile field with various medical tools during operation in modern clinic — Stock Photo
    Anonymous focused male surgeon in blue gown mask and magnifying eyeglasses standing near sterile field with various medical tools during operation in modern clinic
    Male upper body anatomy and blood vessels, computer illustration. — Stock Photo
    Male upper body anatomy and blood vessels, computer illustration.
    Cocktail with vodka in glass — Stock Photo
    Cocktail with vodka in glass
    Human heart circulatory and electrical system, 3d illustration. Cross section of the heart showing the ventricles and valves, and the electrical (conduction) system (yellow lines) and circulatory system (red and blue lines). — Stock Photo
    Human heart circulatory and electrical system, 3d illustration. Cross section of the heart showing the ventricles and valves, and the electrical (conduction) system (yellow lines) and circulatory system (red and blue lines).
    Skin anatomy showing tissue stratification — Stock Photo
    Skin anatomy showing tissue stratification
    Mid section of female patient lying on bed in the ward at hospital. She is getting IV therapy and pulse oximetry is measuring her blood. — Stock Photo
    Mid section of female patient lying on bed in the ward at hospital. She is getting IV therapy and pulse oximetry is measuring her blood.
    Human veins anatomy — Stock Photo
    Human veins anatomy
    Laboratory technician scanning bar code of blood bags in blood bank — Stock Photo
    Laboratory technician scanning bar code of blood bags in blood bank
    Digital illustration of nit egg of human head louse attached to human hair. — Stock Photo
    Digital illustration of nit egg of human head louse attached to human hair.
    Freshly picked blood dock on plate over wooden surface — Stock Photo
    Freshly picked blood dock on plate over wooden surface
    Woman checking her blood pressure. — Stock Photo
    Woman checking her blood pressure.