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    African white-backed vultures (Gyps africanus) feeding on buffalo kill, Serengeti National Park; Tanzania — Stock Photo
    African white-backed vultures (Gyps africanus) feeding on buffalo kill, Serengeti National Park; Tanzania
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer illustration.
    Mid section of doctor checking blood pressure of pregnant woman in hospital — Stock Photo
    Mid section of doctor checking blood pressure of pregnant woman in hospital
    Blood oranges and glass of juice — Stock Photo
    Blood oranges and glass of juice
    Skeletal and cardiovascular systems of adult — Stock Photo
    Skeletal and cardiovascular systems of adult
    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.
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Female vascular system, computer illustration. — Stock Photo
    Female vascular system, computer illustration.
    Virus particles in blood stream, digital illustration. — Stock Photo
    Virus particles in blood stream, digital illustration.
    Internal organs, circulatory and nervous systems — Stock Photo
    Internal organs, circulatory and nervous systems
    Rear view of young asian male doctor checking blood pressure of caucasian boy patient in clinic. Male doctor using sphygmomanometer — Stock Photo
    Rear view of young asian male doctor checking blood pressure of caucasian boy patient in clinic. Male doctor using sphygmomanometer
    Red and white blood cells aggregating — Stock Photo
    Red and white blood cells aggregating
    Woman checking blood pressure test at hospital — Stock Photo
    Woman checking blood pressure test at hospital
    Human heart against red background, illustration. — Stock Photo
    Human heart against red background, illustration.
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Cropped image of Doctor checking blood pressure of patient in clinic — Stock Photo
    Cropped image of Doctor checking blood pressure of patient in clinic
    Blood testing equipment — Stock Photo
    Blood testing equipment
    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.
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    Sliced blood oranges — Stock Photo
    Sliced blood oranges
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Male upper body anatomy and musculature, computer illustration. — Stock Photo
    Male upper body anatomy and musculature, computer illustration.
    Female abdominal vascular system, computer illustration. — Stock Photo
    Female abdominal vascular system, computer illustration.
    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.
    Half of blood orange with jet of water — Stock Photo
    Half of blood orange with jet of water
    3d rendered illustration of human heart. — Stock Photo
    3d rendered illustration of human heart.
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home — Stock Photo
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home
    Citrus fruits and spices on a wooden background. top view. — Stock Photo
    Citrus fruits and spices on a wooden background. top view.
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration.
    Fresh blood oranges — Stock Photo
    Fresh blood oranges
    Illustration of heart in transparent male silhouette. — Stock Photo
    Illustration of heart in transparent male silhouette.
    Blood oranges and glass of juice — Stock Photo
    Blood oranges and glass of juice
    Human leg structural anatomy — Stock Photo
    Human leg structural anatomy
    Human heart, computer illustration — Stock Photo
    Human heart, computer illustration
    Still life of blood orange ice cream — Stock Photo
    Still life of blood orange ice cream
    Light micrograph of a section through the choroid plexus of brain, showing two corpora amylacea (purple, bottom). — Stock Photo
    Light micrograph of a section through the choroid plexus of brain, showing two corpora amylacea (purple, bottom).
    Laboratory technician using a machine in blood bank — Stock Photo
    Laboratory technician using a machine in blood bank
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Realistic human heart and blood vessels on white background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on white background, digital illustration.
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Pathogenic bacteria in the blood stream — Stock Photo
    Pathogenic bacteria in the blood stream
    Fresh blood oranges — Stock Photo
    Fresh blood oranges
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration.
    Cytotoxic T-cells capturing cancer cells, digital illustration. — Stock Photo
    Cytotoxic T-cells capturing cancer cells, digital illustration.
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.
    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.
    Skeletal and cardiovascular systems of adult — Stock Photo
    Skeletal and cardiovascular systems of adult
    Blood orange juice in glass — Stock Photo
    Blood orange juice in glass
    Mature woman testing blood pressure with machine. — Stock Photo
    Mature woman testing blood pressure with machine.
    Black pudding with apples — Stock Photo
    Black pudding with apples
    Close up of horse snoot — Stock Photo
    Close up of horse snoot
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy with earbuds patient during video call — Stock Photo
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy with earbuds patient during video call
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.