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    Red blood cells — Stock Photo
    Red blood cells
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Illustration of transparent blue silhouette of male body with colored heart. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration. — Stock Photo
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration.
    Computer illustration of Bowman capsule and glomerulus filtered blood to forming urine. — Stock Photo
    Computer illustration of Bowman capsule and glomerulus filtered blood to forming urine.
    Closeup anonymous doctor with syringe and tube with blood sample of patient for diagnostics research in veterinary clinic lab — Stock Photo
    Closeup anonymous doctor with syringe and tube with blood sample of patient for diagnostics research in veterinary clinic lab
    Crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood — Stock Photo
    Crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte. — Stock Photo
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte.
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Cat flea head — Stock Photo
    Cat flea head
    Illustration of human heart anatomy on white background. — Stock Photo
    Illustration of human heart anatomy on white background.
    Heart attack rendering — Stock Photo
    Heart attack rendering
    Glass of fresh juice and slices of blood orange on marble tabletop — Stock Photo
    Glass of fresh juice and slices of blood orange on marble tabletop
    White mask with reusable KN95 protection index for virus protection on yellow background — Stock Photo
    White mask with reusable KN95 protection index for virus protection on yellow background
    Therapist heating cups on client back while cupping therapy. — Stock Photo
    Therapist heating cups on client back while cupping therapy.
    Male vascular system — Stock Photo
    Male vascular system
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Close-up of unconscious girl fallen on ground after accident — Stock Photo
    Close-up of unconscious girl fallen on ground after accident
    Pistachio and Seville Orange Cake with a blood orange syrup drizzle — Stock Photo
    Pistachio and Seville Orange Cake with a blood orange syrup drizzle
    Chest, neck and head arteries — Stock Photo
    Chest, neck and head arteries
    Doctor drawing blood — Stock Photo
    Doctor drawing blood
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Freshly picked blood dock on plate over wooden surface — Stock Photo
    Freshly picked blood dock on plate over wooden surface
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration
    3D rendering of human circulatory system on black background — Stock Photo
    3D rendering of human circulatory system on black background
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Close-up of blood bags in a tray at blood bank — Stock Photo
    Close-up of blood bags in a tray at blood bank
    Schematic representation of human vein structure — Stock Photo
    Schematic representation of human vein structure
    Medical illustration of blood clotting process inside artery — Stock Photo
    Medical illustration of blood clotting process inside artery
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Female body with visible cardiovascular system, digital illustration. — Stock Photo
    Female body with visible cardiovascular system, digital illustration.
    Illustration of human heart anatomy on blue background. — Stock Photo
    Illustration of human heart anatomy on blue background.
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Frog sitting on green leaf — Stock Photo
    Frog sitting on green leaf
    Coyotes around carcass — Stock Photo
    Coyotes around carcass
    Crop anonymous black male doctor in medical uniform and mask showing test tube with blood sample to happy diverse different aged women and boy during distance consultation via video call — Stock Photo
    Crop anonymous black male doctor in medical uniform and mask showing test tube with blood sample to happy diverse different aged women and boy during distance consultation via video call
    Medical check-up including blood and urine test samples and results. — Stock Photo
    Medical check-up including blood and urine test samples and results.
    Gross anatomy of the human heart — Stock Photo
    Gross anatomy of the human heart
    Cropped unrecognizable doctor's hands throwing confetti on negative coronavirus blood test on pink background — Stock Photo
    Cropped unrecognizable doctor's hands throwing confetti on negative coronavirus blood test on pink background
    Female abdominal anatomy and internal organs, computer illustration. — Stock Photo
    Female abdominal anatomy and internal organs, computer illustration.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Mid section of laboratory technician working in blood bank — Stock Photo
    Mid section of laboratory technician working in blood bank
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Back view of anonymous fearless toreador performing holding capote with wild bull on bullring during corrida festival — Stock Photo
    Back view of anonymous fearless toreador performing holding capote with wild bull on bullring during corrida festival
    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    White blood cell — Stock Photo
    White blood cell
    Woman using a lance to take a finger prick blood sample. — Stock Photo
    Woman using a lance to take a finger prick blood sample.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Petri dishes with blood agar stacked in microbiology lab. — Stock Photo
    Petri dishes with blood agar stacked in microbiology lab.
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Illustration of human blood cells flowing through blood vessel. — Stock Photo
    Illustration of human blood cells flowing through blood vessel.
    3d rendered illustration of human heart. — Stock Photo
    3d rendered illustration of human heart.
    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.
    Virus particles in blood stream, digital illustration. — Stock Photo
    Virus particles in blood stream, digital illustration.