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    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Illustration of schistosoma blood fluke flatworm on black background. — Stock Photo
    Illustration of schistosoma blood fluke flatworm on black background.
    English breakfast with fried eggs — Stock Photo
    English breakfast with fried eggs
    White horse grazing — Stock Photo
    White horse grazing
    Empty storage machine and monitor screen in blood bank — Stock Photo
    Empty storage machine and monitor screen in blood bank
    Pathological anatomy of Stroke — Stock Photo
    Pathological anatomy of Stroke
    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.
    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
    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
    Vascular system in normal female body, digital illustration — Stock Photo
    Vascular system in normal female body, digital illustration
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Front view of thoughtful mixed-race female patient lying in bed while pulse oximetry measures oxygen saturation in the blood in ward at hospital. — Stock Photo
    Front view of thoughtful mixed-race female patient lying in bed while pulse oximetry measures oxygen saturation in the blood in ward at hospital.
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.
    Human heart in cross-section and whole with vessels on white background. — Stock Photo
    Human heart in cross-section and whole with vessels on white background.
    Cross-section of human artery — Stock Photo
    Cross-section of human artery
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Erythrocytes red blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes red blood cells in human blood vessel, digital illustration.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer 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.
    Various blood bags in blood bank — Stock Photo
    Various blood bags in blood bank
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer illustration.
    Preparing blood orange juice — Stock Photo
    Preparing blood orange juice
    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.
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence. — Stock Photo
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence.
    Schematic representation of human vein structure — Stock Photo
    Schematic representation of human vein structure
    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
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Red blood cells and blood vessel — Stock Photo
    Red blood cells and blood vessel
    3d rendered illustration of vascular system of human head. — Stock Photo
    3d rendered illustration of vascular system of human head.
    Forensics expert examining with flashlight evidence glass of wine at crime scene. — Stock Photo
    Forensics expert examining with flashlight evidence glass of wine at crime scene.
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    Male shoulder anatomy, digital illustration. — Stock Photo
    Male shoulder anatomy, digital illustration.
    Blood vessels of the head, computer illustration — Stock Photo
    Blood vessels of the head, computer illustration
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    Normal human red blood cell — Stock Photo
    Normal human red blood cell
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood.
    Laboratory technician checking weight of blood bags in blood bank — Stock Photo
    Laboratory technician checking weight of blood bags in blood bank
    From above view of anonymous doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress — Stock Photo
    From above view of anonymous doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress
    Glass mug of blood orange lemonade and fresh fruit in bowl — Stock Photo
    Glass mug of blood orange lemonade and fresh fruit in bowl
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Close-up of butcher placing pieces of meat in a machine — Stock Photo
    Close-up of butcher placing pieces of meat in a machine
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Injured woman treated by paramedic at accident spot — Stock Photo
    Injured woman treated by paramedic at accident spot
    Various citrus fruit mandarins, pink grapefruit, kumquat, orange and blood orange — Stock Photo
    Various citrus fruit mandarins, pink grapefruit, kumquat, orange and blood orange
    Realistic body model showing female anatomy on white background, computer illustration. — Stock Photo
    Realistic body model showing female anatomy on white background, computer illustration.
    Female vascular system, computer illustration. — Stock Photo
    Female vascular system, computer illustration.
    Blood vessels of foot, computer illustration — Stock Photo
    Blood vessels of foot, computer illustration
    Molecules of insulin circulating in the blood stream — Stock Photo
    Molecules of insulin circulating in the blood stream
    Densovirus virus particles in the bloodstream — Stock Photo
    Densovirus virus particles in the bloodstream
    Heart of glass anatomy — Stock Photo
    Heart of glass anatomy
    Orange marmalade made from blood oranges — Stock Photo
    Orange marmalade made from blood oranges
    Close-up of blood pressure gauge. — Stock Photo
    Close-up of blood pressure gauge.
    Healthy artery anatomy — Stock Photo
    Healthy artery anatomy
    Three blood oranges — Stock Photo
    Three blood oranges
    Illustration of small tick biting human skin. — Stock Photo
    Illustration of small tick biting human skin.
    Blood sample in test tube in hand of scientist. — Stock Photo
    Blood sample in test tube in hand of scientist.