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    Injured girl treated by paramedic at accident spot — Stock Photo
    Injured girl treated by paramedic at accident spot
    3d rendered colored illustration of tick on skin surface. — Stock Photo
    3d rendered colored illustration of tick on skin surface.
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    3d rendered illustration of blue silhouette of man with chest pain. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain.
    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).
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Blood pumping around a human heart, illustration. — Stock Photo
    Blood pumping around a human heart, illustration.
    Close-up of laboratory technician using machine in blood bank — Stock Photo
    Close-up of laboratory technician using machine in blood bank
    Grey human heart model on white background, computer illustration. — Stock Photo
    Grey human heart model on white background, computer illustration.
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Male abdominal blood vessels, digital illustration. — Stock Photo
    Male abdominal blood vessels, digital illustration.
    Heart of glass anatomy — Stock Photo
    Heart of glass anatomy
    Parasitic tick biting skin — Stock Photo
    Parasitic tick biting skin
    Molecular model of blood clotting protein fibrin bound to peptides. — Stock Photo
    Molecular model of blood clotting protein fibrin bound to peptides.
    Male abdominal blood vessels, digital illustration. — Stock Photo
    Male abdominal blood vessels, digital illustration.
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    Digital three dimensional illustration of human lungs. — Stock Photo
    Digital three dimensional illustration of human lungs.
    Vascular system of female upper body, computer illustration. — Stock Photo
    Vascular system of female upper body, computer illustration.
    Structure of activated Platelets — Stock Photo
    Structure of activated Platelets
    Red blood cells — Stock Photo
    Red blood cells
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    Fresh blood oranges and drinking glasses — Stock Photo
    Fresh blood oranges and drinking glasses
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    Blood orange with half — Stock Photo
    Blood orange with half
    Male abdominal blood vessels, digital illustration. — Stock Photo
    Male abdominal blood vessels, digital illustration.
    Realistic body model showing female anatomy of muscles, mammary glands and blood vessels, computer illustration. — Stock Photo
    Realistic body model showing female anatomy of muscles, mammary glands and blood vessels, computer illustration.
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Digital illustration of abnormal white blood cells B-lymphocytes while hairy cell leukaemia. — Stock Photo
    Digital illustration of abnormal white blood cells B-lymphocytes while hairy cell leukaemia.
    Paramedics examining injured girl on street — Stock Photo
    Paramedics examining injured girl on street
    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
    Illustration of senior man silhouette with visible heart. — Stock Photo
    Illustration of senior man silhouette with visible heart.
    Nurse with Cerebral Palsy taking a patient's blood pressure in a clinic — Stock Photo
    Nurse with Cerebral Palsy taking a patient's blood pressure in a clinic
    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
    Spilt blood sample on white background. — Stock Photo
    Spilt blood sample on white background.
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Smooth Green Snake — Stock Photo
    Smooth Green Snake
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital — Stock Photo
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital
    Hot apple punch — Stock Photo
    Hot apple punch
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration
    Female body with visible heart, computer illustration. — Stock Photo
    Female body with visible heart, computer illustration.
    Worried senior woman with glucose meter checking blood sugar level at home — Stock Photo
    Worried senior woman with glucose meter checking blood sugar level at home
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Pressed oranges and blood oranges — Stock Photo
    Pressed oranges and blood oranges
    Petri dishes for DNA sequencing, close-up. — Stock Photo
    Petri dishes for DNA sequencing, close-up.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    Chef gutting a Mackerel. — Stock Photo
    Chef gutting a Mackerel.
    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.
    Human brain haemorrhage, digital illustration. — Stock Photo
    Human brain haemorrhage, digital illustration.
    Female donor with patch on hand sitting in medical chair after blood transfusion procedure — Stock Photo
    Female donor with patch on hand sitting in medical chair after blood transfusion procedure
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Sour milk soup with black pudding pockets — Stock Photo
    Sour milk soup with black pudding pockets
    Polio virus particles in the bloodstream — Stock Photo
    Polio virus particles in the bloodstream
    Laboratory technicians analyzing blood bags in blood bank — Stock Photo
    Laboratory technicians analyzing blood bags in blood bank
    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.