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    Light micrograph (LM) showing blood supply to muscle fibers. — Stock Photo
    Light micrograph (LM) showing blood supply to muscle fibers.
    Arteries and veins of the hand — Stock Photo
    Arteries and veins of the hand
    Blood supply of neck and head — Stock Photo
    Blood supply of neck and head
    Blood bags hanging on serum hanger n blood bank — Stock Photo
    Blood bags hanging on serum hanger n blood bank
    Senior man interacting with physician while donating blood in blood bank — Stock Photo
    Senior man interacting with physician while donating blood in blood bank
    Mid section of senior man donating blood in blood bank — Stock Photo
    Mid section of senior man donating blood in blood bank
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Laboratory technicians analyzing blood bags in blood bank — Stock Photo
    Laboratory technicians analyzing blood bags in blood bank
    Normal cardiovascular system — Stock Photo
    Normal cardiovascular system
    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
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Senior man using digital tablet while donating blood in blood bank — Stock Photo
    Senior man using digital tablet while donating blood in blood bank
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Red blood cells and blood vessel — Stock Photo
    Red blood cells and blood vessel
    Nanorobot on red blood cell — Stock Photo
    Nanorobot on red blood cell
    Laboratory technician analyzing blood bags in blood bank — Stock Photo
    Laboratory technician analyzing blood bags in blood bank
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Mid section of senior man donating blood in blood bank — Stock Photo
    Mid section of senior man donating blood in blood bank
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage. — Stock Photo
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage.
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Pathophysiology of Arteriosclerosis — Stock Photo
    Pathophysiology of Arteriosclerosis
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Normal and healthy abdomen anatomy — Stock Photo
    Normal and healthy abdomen anatomy
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Female structural anatomy — Stock Photo
    Female structural anatomy
    Pathological anatomy of Stroke — Stock Photo
    Pathological anatomy of Stroke
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    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
    Omentum fold of peritoneal membrane — Stock Photo
    Omentum fold of peritoneal membrane
    Laboratory technician analyzing blood bags in blood bank — Stock Photo
    Laboratory technician analyzing blood bags in blood bank
    Laboratory technicians working together in blood bank — Stock Photo
    Laboratory technicians working together in blood bank
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Human anatomical structure — Stock Photo
    Human anatomical structure
    Medical nanorobot in blood vessel, digital illustration. — Stock Photo
    Medical nanorobot in blood vessel, digital illustration.
    Human veins anatomy — Stock Photo
    Human veins anatomy
    Normal and healthy abdomen anatomy — Stock Photo
    Normal and healthy abdomen anatomy
    Nervous and circulatory systems — Stock Photo
    Nervous and circulatory systems
    From above coronavirus negative and positive blood test near vaccine flask and syringe on blue background — Stock Photo
    From above coronavirus negative and positive blood test near vaccine flask and syringe on blue background
    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.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    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
    From above coronavirus negative and positive blood test near vaccine flask and syringe on pink background — Stock Photo
    From above coronavirus negative and positive blood test near vaccine flask and syringe on pink background
    Coloured scanning electron micrograph (SEM) of a fractured bile duct. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured bile duct.
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background — Stock Photo
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background
    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
    Brain's blood supply — Stock Photo
    Brain's blood supply
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Empty medical armchairs prepared for donors in modern blood transfusion center with contemporary equipment — Stock Photo
    Empty medical armchairs prepared for donors in modern blood transfusion center with contemporary equipment
    From above of syringes in bowl with bloody water placed on sterile field near various surgical instruments in operating theater — Stock Photo
    From above of syringes in bowl with bloody water placed on sterile field near various surgical instruments in operating theater
    Cardiovascular system with emphasis on heart — Stock Photo
    Cardiovascular system with emphasis on heart