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    Close-up of an unrecognizable makeup artist putting makeup on a hipster man's face — Stock Photo
    Close-up of an unrecognizable makeup artist putting makeup on a hipster man's face
    Cat flea. Coloured scanning electron micrograph (SEM) of a cat flea (Ctenocephalides felis). Its body is laterally-flattened to allow it to move easily through the fur of its cat host — Stock Photo
    Cat flea. Coloured scanning electron micrograph (SEM) of a cat flea (Ctenocephalides felis). Its body is laterally-flattened to allow it to move easily through the fur of its cat host
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Laboratory technician placing blood bags in machine at blood bank — Stock Photo
    Laboratory technician placing blood bags in machine at blood bank
    Smooth Green Snake — Stock Photo
    Smooth Green Snake
    Cropped image of Doctor checking blood pressure of patient in clinic — Stock Photo
    Cropped image of Doctor checking blood pressure of patient in clinic
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Medical illustration of blood vessels anatomy with labels — Stock Photo
    Medical illustration of blood vessels anatomy with labels
    Ewe licking clean her newborn lamb — Stock Photo
    Ewe licking clean her newborn lamb
    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.
    Close-up of doctor drawing female patient blood for PRP cosmetics treatment. — Stock Photo
    Close-up of doctor drawing female patient blood for PRP cosmetics treatment.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Cropped shot of physician using stethoscope on patient's hand — Stock Photo
    Cropped shot of physician using stethoscope on patient's hand
    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.
    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).
    Female researcher preparing multi-well sample tray of blood for analysis. — Stock Photo
    Female researcher preparing multi-well sample tray of blood for analysis.
    Half of blood orange — Stock Photo
    Half of blood orange
    Man checking blood pressure — Stock Photo
    Man checking blood pressure
    Open sandwich with brown sauce on plate — Stock Photo
    Open sandwich with brown sauce on plate
    Mid section of an active senior woman checking her blood sugar level with a glucometer on the bed in bedroom at home — Stock Photo
    Mid section of an active senior woman checking her blood sugar level with a glucometer on the bed in bedroom at home
    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.
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Medical illustration of female arteries, veins and lymphatic system — Stock Photo
    Medical illustration of female arteries, veins and lymphatic system
    Laboratory technician working on computer in blood bank — Stock Photo
    Laboratory technician working on computer in blood bank
    Illustration of a dendritic cell (centre, purple) activating T-cells (teal). Dendritic cells recognise viruses and present information about their antigens to T-cells — Stock Photo
    Illustration of a dendritic cell (centre, purple) activating T-cells (teal). Dendritic cells recognise viruses and present information about their antigens to T-cells
    Close-up of T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    Close-up of T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Hepatitis E virus particles — Stock Photo
    Hepatitis E virus particles
    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.
    Close-up of sliced blood oranges on a table — Stock Photo
    Close-up of sliced blood oranges on a table
    Human heart model on white background, computer illustration. — Stock Photo
    Human heart model on white background, computer illustration.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Measuring blood pressure and using smart phone to follow results. — Stock Photo
    Measuring blood pressure and using smart phone to follow results.
    Human heart with coronary veins and arteries, digital illustration. — Stock Photo
    Human heart with coronary veins and arteries, digital illustration.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Senior woman checking blood pressure on a monitor at home — Stock Photo
    Senior woman checking blood pressure on a monitor at home
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    White blood cell engulfing bacteria — Stock Photo
    White blood cell engulfing bacteria
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Blood orange halves — Stock Photo
    Blood orange halves
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic while using laptop — Stock Photo
    Crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic while using laptop
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    Rotavirus virus particles in the bloodstream — Stock Photo
    Rotavirus virus particles in the bloodstream
    Paramedics examining injured woman on street — Stock Photo
    Paramedics examining injured woman on street
    Peeled blood oranges in bowl — Stock Photo
    Peeled blood oranges in bowl
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration. — Stock Photo
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    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
    Conceptual digital illustration of horseshoe crab blood in blue color containing haemocyanin and amoebocytes. — Stock Photo
    Conceptual digital illustration of horseshoe crab blood in blue color containing haemocyanin and amoebocytes.
    Hand holding a multiwell tray containing blood samples. — Stock Photo
    Hand holding a multiwell tray containing blood samples.
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Male abdominal anatomy and internal organs, computer illustration. — Stock Photo
    Male abdominal anatomy and internal organs, computer illustration.
    Skin anatomy showing tissue stratification — Stock Photo
    Skin anatomy showing tissue stratification
    Close-up of physiotherapist checking blood pressure of senior woman — Stock Photo
    Close-up of physiotherapist checking blood pressure of senior woman
    Illustration of male office worker vascular system. — Stock Photo
    Illustration of male office worker vascular system.
    Illustration on black of silhouette of obese woman with highlighted heart. — Stock Photo
    Illustration on black of silhouette of obese woman with highlighted heart.
    Illustration of small tick biting human skin. — Stock Photo
    Illustration of small tick biting human skin.