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    Physician checking senior man donating blood in blood bank — Stock Photo
    Physician checking senior man donating blood in blood bank
    Normal cardiovascular system — Stock Photo
    Normal cardiovascular system
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Human anatomy emphasizing upper-body — Stock Photo
    Human anatomy emphasizing upper-body
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Brain's blood supply — Stock Photo
    Brain's blood supply
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    3D computed tomography (CT) scan of normal arteries in the brain of a 35 year old. — Stock Photo
    3D computed tomography (CT) scan of normal arteries in the brain of a 35 year old.
    3D computed tomography (CT) scan of normal arteries in the brain of a 35 year old. — Stock Photo
    3D computed tomography (CT) scan of normal arteries in the brain of a 35 year old.
    Upper-body anatomy of adult male — Stock Photo
    Upper-body anatomy of adult male
    Internal organs, circulatory and nervous systems — Stock Photo
    Internal organs, circulatory and nervous systems
    Close-up of blood bags in a tray at blood bank — Stock Photo
    Close-up of blood bags in a tray at blood bank
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Nanorobot on red blood cell — Stock Photo
    Nanorobot on red blood cell
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Red blood cells and blood vessel — Stock Photo
    Red blood cells and blood vessel
    Blood vessel network of human head and brain — Stock Photo
    Blood vessel network of human head and brain
    Blood vessels of the brain — Stock Photo
    Blood vessels of the brain
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Red blood cells and blood vessel — Stock Photo
    Red blood cells and blood vessel
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Close-up of blood bags in a tray at blood bank — Stock Photo
    Close-up of blood bags in a tray at blood bank
    Skeletal and cardiovascular systems of adult — Stock Photo
    Skeletal and cardiovascular systems of adult
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Cardiovascular system with emphasis on heart — Stock Photo
    Cardiovascular system with emphasis on heart
    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Nervous and circulatory systems — Stock Photo
    Nervous and circulatory systems
    Vascular system and skeleton of an adult — Stock Photo
    Vascular system and skeleton of an adult
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Laboratory technicians analyzing blood bags in blood bank — Stock Photo
    Laboratory technicians analyzing blood bags in blood bank
    Arteries and veins of the hand — Stock Photo
    Arteries and veins of the hand
    Skeletal and cardiovascular systems of adult — Stock Photo
    Skeletal and cardiovascular systems of adult
    Laboratory technicians analyzing blood bags in blood bank — Stock Photo
    Laboratory technicians analyzing blood bags in blood bank
    Blood supply of human arm — Stock Photo
    Blood supply of human arm
    Brain blood supply — Stock Photo
    Brain blood supply
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the — Stock Photo
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Bones and blood supply system of skull — Stock Photo
    Bones and blood supply system of skull
    Cardiovascular system with emphasis on heart — Stock Photo
    Cardiovascular system with emphasis on heart
    Cropped doctor's hand holding coronavirus vaccine in flask near syringe with needle and negative blood test on blue background — Stock Photo
    Cropped doctor's hand holding coronavirus vaccine in flask near syringe with needle and negative blood test on blue background
    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
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Normal and healthy abdomen anatomy — Stock Photo
    Normal and healthy abdomen anatomy
    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
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Mid section of senior man donating blood in blood bank — Stock Photo
    Mid section of senior man donating blood in blood bank
    Medical nanorobot in blood vessel, digital illustration. — Stock Photo
    Medical nanorobot in blood vessel, digital illustration.
    Adult male anatomy — Stock Photo
    Adult male anatomy
    Arteries of the human brain — Stock Photo
    Arteries of the human brain
    Brain anatomy showing blood supply system — Stock Photo
    Brain anatomy showing blood supply system