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    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    Tick biting skin — Stock Photo
    Tick biting skin
    Bacteria and viruses in human artery, digital illustration. — Stock Photo
    Bacteria and viruses in human artery, digital illustration.
    Hand squeezing blood orange juice — Stock Photo
    Hand squeezing blood orange juice
    Leucocyte cell capturing harmful bacteria, computer illustration. — Stock Photo
    Leucocyte cell capturing harmful bacteria, computer illustration.
    Activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Activated blood cell fragments platelets, coloured scanning electron micrograph.
    Female cardiovascular system on white background. — Stock Photo
    Female cardiovascular system on white background.
    Human heart with vessels and cut rib cage on white background. — Stock Photo
    Human heart with vessels and cut rib cage on white background.
    Nurse measuring senior patient blood pressure. — Stock Photo
    Nurse measuring senior patient blood pressure.
    Ewe and a newborn lamb — Stock Photo
    Ewe and a newborn lamb
    Anatomy of human kidney function — Stock Photo
    Anatomy of human kidney function
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Realistic human heart and blood vessels on white background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on white background, digital illustration.
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets. — Stock Photo
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets.
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    3d rendered illustration of colored female heart in body silhouette. — Stock Photo
    3d rendered illustration of colored female heart in body silhouette.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Close-up of a macrophage, illustration. — Stock Photo
    Close-up of a macrophage, illustration.
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual 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.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    3d rendered colored illustration of tick on skin surface. — Stock Photo
    3d rendered colored illustration of tick on skin surface.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Fresh black pudding and a slice of bread — Stock Photo
    Fresh black pudding and a slice of bread
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Digital illustration of abnormal blood cells infected by hairy cell leukemia. — Stock Photo
    Digital illustration of abnormal blood cells infected by hairy cell leukemia.
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Blood pressure gauge. close-up. — Stock Photo
    Blood pressure gauge. close-up.
    Laboratory technician analyzing blood bags in blood bank — Stock Photo
    Laboratory technician analyzing blood bags in blood bank
    Light micrograph (LM) of a vertical section through the pseudostratified columnar epithelium from the trachea, the tube in the throat leading from the mouth to the bronchus and the lungs. — Stock Photo
    Light micrograph (LM) of a vertical section through the pseudostratified columnar epithelium from the trachea, the tube in the throat leading from the mouth to the bronchus and the lungs.
    Neutrophil cells aggregating at site of infection — Stock Photo
    Neutrophil cells aggregating at site of infection
    Female body with visible cardiovascular system, digital illustration. — Stock Photo
    Female body with visible cardiovascular system, digital illustration.
    Cropped image of fisherman filleting fish on boat — Stock Photo
    Cropped image of fisherman filleting fish on boat
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    From above coronavirus negative and positive blood test near vaccine flask and syringe on pink background — Stock Photo
    From above coronavirus negative and positive blood test near vaccine flask and syringe on pink background
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Western Blackneck Garter Snake, — Stock Photo
    Western Blackneck Garter Snake,
    Forensics expert collecting blood sample from crime scene. — Stock Photo
    Forensics expert collecting blood sample from crime scene.
    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    Young Asian male doctor measuring blood sugar level with glucometer of senior woman in the clinic — Stock Photo
    Young Asian male doctor measuring blood sugar level with glucometer of senior woman in the clinic
    Illustration of heart in male body silhouette on white background. — Stock Photo
    Illustration of heart in male body silhouette on white background.
    Rotavirus virus particles in the bloodstream — Stock Photo
    Rotavirus virus particles in the bloodstream
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Close-up of a lioness eating her prey, Kenya — Stock Photo
    Close-up of a lioness eating her prey, Kenya
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Schematic representation of human vein structure — Stock Photo
    Schematic representation of human vein structure
    Skull showing brain and neurons, coloured X-ray. — Stock Photo
    Skull showing brain and neurons, coloured X-ray.
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Red sea water of Hormuz Island — Stock Photo
    Red sea water of Hormuz Island
    Female body with visible cardiovascular system, digital illustration. — Stock Photo
    Female body with visible cardiovascular system, digital illustration.
    Banana waffles with fresh berries, blood oranges and pistachios — Stock Photo
    Banana waffles with fresh berries, blood oranges and pistachios
    Male body with visible vascular system, computer illustration. — Stock Photo
    Male body with visible vascular system, computer illustration.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, digital illustration.
    Using pulse oximeter at home to test oxygen level in blood. — Stock Photo
    Using pulse oximeter at home to test oxygen level in blood.
    Lymph node in tuberculosis — Stock Photo
    Lymph node in tuberculosis