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    Realistic human body model showing male anatomy with internal organs, digital illustration. — Stock Photo
    Realistic human body model showing male anatomy with internal organs, digital illustration.
    3d rendered illustration of colored female heart in body silhouette. — Stock Photo
    3d rendered illustration of colored female heart in body silhouette.
    Digital illustration of trypanosome parasites causing Chagas disease in blood vessel. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease in blood vessel.
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer 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.
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration.
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Human heart with blood vessels and bronchial tree on white background. — Stock Photo
    Human heart with blood vessels and bronchial tree on white background.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Senior man checking his blood sugar with glucometer at home — Stock Photo
    Senior man checking his blood sugar with glucometer at home
    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Donor blood being separated into component parts in bag. — Stock Photo
    Donor blood being separated into component parts in bag.
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Slices of blood orange — Stock Photo
    Slices of blood orange
    Muscular system of pelvic region — Stock Photo
    Muscular system of pelvic region
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Blood clot formation — Stock Photo
    Blood clot formation
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Structural anatomy of human pelvis — Stock Photo
    Structural anatomy of human pelvis
    Tubes containing blood samples — Stock Photo
    Tubes containing blood samples
    High angle view of two turtles swimming in clean water of calm lake in nature — Stock Photo
    High angle view of two turtles swimming in clean water of calm lake in nature
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    Illustration of tick parasite crawling on human skin surface. — Stock Photo
    Illustration of tick parasite crawling on human skin surface.
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Blood oranges close-up view — Stock Photo
    Blood oranges close-up view
    Cropped shot of physician measuring patient'd blood pressure with tonometer — Stock Photo
    Cropped shot of physician measuring patient'd blood pressure with tonometer
    Red moon in black night sky — Stock Photo
    Red moon in black night sky
    Overhead view of a boy eating a blood orange and his dog sitting under the table — Stock Photo
    Overhead view of a boy eating a blood orange and his dog sitting under the table
    Blood oranges and clementines — Stock Photo
    Blood oranges and clementines
    Human rib cage showing heart with vessels and bronchial tree on white background. — Stock Photo
    Human rib cage showing heart with vessels and bronchial tree on white background.
    Vegan blood orange cupcakes, coloured with active charcoal with two-tone nougat frosting — Stock Photo
    Vegan blood orange cupcakes, coloured with active charcoal with two-tone nougat frosting
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    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.
    Human upper body blood vessels, digital illustration. — Stock Photo
    Human upper body blood vessels, digital illustration.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Doctor using a lance to take a finger prick blood sample from a patient. — Stock Photo
    Doctor using a lance to take a finger prick blood sample from a patient.
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation. — Stock Photo
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation.
    Serpent crawling on dry sandy ground of Wadi Rum desert on sunny day in Jordan — Stock Photo
    Serpent crawling on dry sandy ground of Wadi Rum desert on sunny day in Jordan
    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.
    Medical illustration of human blood vessels of shoulder. — Stock Photo
    Medical illustration of human blood vessels of shoulder.
    Red blood cells — Stock Photo
    Red blood cells
    Laboratory technician using electronic device in blood bank — Stock Photo
    Laboratory technician using electronic device in blood bank
    Illustration of schistosoma blood fluke flatworm on black background. — Stock Photo
    Illustration of schistosoma blood fluke flatworm on black background.
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Blood sample awaiting testing in laboratory, close-up with selective focus. — Stock Photo
    Blood sample awaiting testing in laboratory, close-up with selective focus.
    Zombie hand coming out of ground on dark background — Stock Photo
    Zombie hand coming out of ground on dark background
    Red blood cells — Stock Photo
    Red blood cells
    Coronary blood vessels of the heart — Stock Photo
    Coronary blood vessels of the heart
    3d rendered illustration of vascular system of human head. — Stock Photo
    3d rendered illustration of vascular system of human head.
    Illustration of female silhouette with painful heart. — Stock Photo
    Illustration of female silhouette with painful heart.
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Woman with bloody makeup wearing fantasy clothes and crown — Stock Photo
    Woman with bloody makeup wearing fantasy clothes and crown
    Molecular model of blood clotting protein fibrin bound to peptides. — Stock Photo
    Molecular model of blood clotting protein fibrin bound to peptides.
    Male and female surgeons performing operation in operation theater of hospital — Stock Photo
    Male and female surgeons performing operation in operation theater of hospital