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    Human heart with vessels, lungs, bronchial tree and cut rib cage in x-ray effect on black background. — Stock Photo
    Human heart with vessels, lungs, bronchial tree and cut rib cage in x-ray effect on black background.
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood — Stock Photo
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood
    Lung aneurysm, light micrograph. — Stock Photo
    Lung aneurysm, light micrograph.
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Centrifuging blood samples in barcoded test tubes, digital illustration. — Stock Photo
    Centrifuging blood samples in barcoded test tubes, digital illustration.
    Illustration of blood cells in injured artery. — Stock Photo
    Illustration of blood cells in injured artery.
    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.
    Cat flea head — Stock Photo
    Cat flea head
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Realistic human heart and blood vessels on black background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on black background, digital illustration.
    Elevated view of iced Spritz veneziano with blood oranges and lemon — Stock Photo
    Elevated view of iced Spritz veneziano with blood oranges and lemon
    Realistic human heart and blood vessels on white background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on white background, digital illustration.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Calcitonin peptide bound to receptor, illustration. — Stock Photo
    Calcitonin peptide bound to receptor, illustration.
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Cups of tea with lemon, sliced oranges — Stock Photo
    Cups of tea with lemon, sliced oranges
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Parasitic adult Ticks — Stock Photo
    Parasitic adult Ticks
    Atherosclerosis harming blood vessel — Stock Photo
    Atherosclerosis harming blood vessel
    Cropped image of woman using tensiometer to measure blood pressure while sitting at table at home — Stock Photo
    Cropped image of woman using tensiometer to measure blood pressure while sitting at table at home
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Kit of various surgical instruments and bloody napkins in operating room of veterinary hospital during surgery with crop anonymous doctor treating patient — Stock Photo
    Kit of various surgical instruments and bloody napkins in operating room of veterinary hospital during surgery with crop anonymous doctor treating patient
    3d illustration showing increase of non-functional white blood cells in leukaemia. — Stock Photo
    3d illustration showing increase of non-functional white blood cells in leukaemia.
    Close-up of doctor measuring sugar level of patient with glucometer at hospital — Stock Photo
    Close-up of doctor measuring sugar level of patient with glucometer at hospital
    Man holding a heart, computer illustration. — Stock Photo
    Man holding a heart, computer illustration.
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells.
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Red sea water of Hormuz Island — Stock Photo
    Red sea water of Hormuz Island
    Light micrograph showing the abnormal alterations of liver cells and tissues. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph showing the abnormal alterations of liver cells and tissues. Haematoxylin and eosin stain.
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Muscular and skeletal systems — Stock Photo
    Muscular and skeletal systems
    Slices of blood oranges — Stock Photo
    Slices of blood oranges
    Close-up of blood pressure gauge. — Stock Photo
    Close-up of blood pressure gauge.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Vintage glass syringe and medecal needle — Stock Photo
    Vintage glass syringe and medecal needle
    Blood orange muffins with raisins — Stock Photo
    Blood orange muffins with raisins
    Entamoeba histolytica engulfing red blood cells — Stock Photo
    Entamoeba histolytica engulfing red blood cells
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    Worried senior woman with glucose meter checking blood sugar level at home — Stock Photo
    Worried senior woman with glucose meter checking blood sugar level at home
    Insulin binding to insulin receptor — Stock Photo
    Insulin binding to insulin receptor
    Arteries in transparent dog body, anatomical computer illustration. — Stock Photo
    Arteries in transparent dog body, anatomical computer illustration.
    Rotavirus virus particles in the blood — Stock Photo
    Rotavirus virus particles in the blood
    Italian appetiser platter — Stock Photo
    Italian appetiser platter
    Tree frog on leaf — Stock Photo
    Tree frog on leaf
    Illustration of transparent human heart silhouette. — Stock Photo
    Illustration of transparent human heart silhouette.
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Half of blood orange — Stock Photo
    Half of blood orange
    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Virus particles in blood stream, digital illustration. — Stock Photo
    Virus particles in blood stream, digital illustration.
    Senior mixed race woman spending time at home, being visited by a mixed race female nurse, the nurse taking blood pressure — Stock Photo
    Senior mixed race woman spending time at home, being visited by a mixed race female nurse, the nurse taking blood pressure
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Healthy artery anatomy — Stock Photo
    Healthy artery anatomy