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Illustration of the circulatory system in which the heart pumps blood is critical to healthy organs muscles and tissues with blood delivering nutrie
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Light micrograph of the tunica media of an aorta stained with haematoxylin and eosin The elastic laminae appear as wavy lines stained in pink by eosi
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Light micrograph of the tunica media of an aorta stained with haematoxylin and eosin The elastic laminae appear as wavy lines stained in pink by eosi
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Light micrograph of the wall of a cross-sectioned elastic artery stained with haematoxylin and eosin The wavy pink lines are the elastic laminae whi
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Light micrograph of the wall of a cross-sectioned elastic artery stained with haematoxylin and eosin The wavy pink lines are the elastic laminae whi
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Sepsis SEM
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Sepsis SEM
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Sepsis SEM
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Sepsis SEM
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Editorial use only MODEL RELEASED Kidney dialysis patient and nurse The patient is in hospital undergoing dialysis for a kidney disorder The tube
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Sepsis SEM
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Red blood cells illustration Red blood cells are biconcave giving them a large surface area for gas exchange and highly elastic enabling them to
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Red blood cells illustration Red blood cells are biconcave giving them a large surface area for gas exchange and highly elastic enabling them to
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Illustration of the blood vessels of the retina The retina is the light sensitive membrane that lines the back of the eye At centre is the fovea an
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Illustration of the blood vessels of the eyelid From Traite dAnatomie Humaine Vol 3 (1905) by French anatomist Leo Testut (1849-1925) by COLLECTI
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Pulmonary lobule Illustration of a section through an area of lung tissue A pulmonary lobule is a unit of lung tissue that includes a bronchiole al
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Blood vessel illustration by CHRISTOPH BURGSTEDTSCIENCE PHOTO LIBRARY
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Blood vessel illustration by CHRISTOPH BURGSTEDTSCIENCE PHOTO LIBRARY
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Activated platelets or thrombocytes illustration by CHRISTOPH BURGSTEDTSCIENCE PHOTO LIBRARY
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Editorial use only MODEL RELEASED Kidney dialysis patient preparing a cannula that she has inserted into her own arm while in hospital undergoing d
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Activated platelets or thrombocytes illustration by CHRISTOPH BURGSTEDTSCIENCE PHOTO LIBRARY
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Blood circulating through blood vessel illustration by CHRISTOPH BURGSTEDTSCIENCE PHOTO LIBRARY
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Blood vessel structure illustration by ALI DAMOUHSCIENCE PHOTO LIBRARY
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Blood vessel structure illustration by ALI DAMOUHSCIENCE PHOTO LIBRARY
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Blood circulation illustration by ALI DAMOUHSCIENCE PHOTO LIBRARY
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Blood circulation illustration by ALI DAMOUHSCIENCE PHOTO LIBRARY
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Coloured 3D computed tomography (CT) of the thoracic (chest) cavity from the front The airways (faint green branching left and right) are visible a
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Editorial use only MODEL RELEASED Kidney dialysis patient inserting a cannula into her own arm while in hospital undergoing dialysis for a kidney d
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Coloured 3D computed tomography (CT) of the thoracic (chest) cavity from the front The airways (faint purple branching left and right) are visible
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Coloured 3D computed tomography (CT) of the thoracic (chest) cavity from the front The lungs and airways (orange) are visible as is the heart (red)
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Coloured 3D computed tomography (CT) of the thoracic (chest) cavity from the front The lungs and airways (orange) are visible as is the heart (red)
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Coloured 3D computed tomography (CT) of the aortic arch (purple tube top centre) thoracic aorta (purple tube descending) and other blood vessels wit
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Coloured 3D computed tomography (CT) scan of a heart and blood vessels (red) including the aortic arch (curved tube over heart) The heart is a hollow
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Coloured 3D computed tomography (CT) scan of a heart and blood vessels including the aortic arch (curved tube on top of heart) and the pulmonary bloo
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Light micrograph of red blood cells and fibrin The red blood cells (many small bright red dots) clump together with fibrin (light pink) in a blood cl
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Light micrograph of red blood cells Numerous red blood cells (red roughly circular) are present filling the field of view in this image Haematoxyli
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Light micrograph of myocardium (heart muscle) The cardiomyocytes (heart muscle cells) form interconnecting strands with one another Fine striations
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Ivan Petrovich Pavlov (1849-1936) Russian physiologist Pavlov is most famous for his work on what he called conditioned reflexes This work involved
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Light micrograph of myocardium (heart muscle) The cardiomyocytes (heart muscle cells) form interconnecting strands with one another Fine striations
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Light micrograph of bone marrow cells The bone marrow cells are interspersed with fat cells (large white circles) Several types of bone marrow cells
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Sodium-22 illustration Sodium-22 is used in medical imaging to diagnose heart and circulatory system diseases by WLADIMIR BULGARSCIENCE PHOTO LIB
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Seamless pattern of paper hearts on blue background
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Red paper hearts arranged over blue background
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Red paper hearts on blue background
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White ladder reaching to heart shaped balloon against blue background
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England c 1630An engraving of English physician William Harvey who was the first person to describe the blood circulatory system of the human bo
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Heart shaped balloon next to podium against blue background
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Dart piercing through bunch of hearts against blue background
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Balloon made from bunch of hearts levitating against blue background
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3D render of shirtless yellow skinned man
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3D render of man wearing VR headset
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3D render of shirtless man wearing VR headset
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Illustration of an obese heart and a close-up view of a coronary artery with cholesterol plaque signifying cardiovascular disease and atherosclerosis
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Illustration of a human heart with blood vessels inside human body by KATERYNA KONSCIENCE PHOTO LIBRARY
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Obese woman with ascending aortic aneurysm illustration
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Computer model of the most abundant protein in the circulatory system Human Serum Albumin (HSA) important for the maintenance of plasma volume and t
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Obese woman with ascending aortic aneurysm illustration
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Obese woman with ascending aortic aneurysm illustration
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Obese woman with ascending aortic aneurysm illustration
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Obese woman with ascending aortic aneurysm illustration
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Illustration of Bone and Heart
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Cardiovascular system Computer artwork of the human cardiovascular system The cardiovascular or circulatory system transports oxygen and nutrients
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Heart of glass
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Heart of glass
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Heart of glass
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Artery and vein light micrograph
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Artery and vein light micrograph
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Artery light micrograph
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Distribution of the Blood Vessels
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Flu vaccination Syringe about to be used by a general practice (GP) nurse to inject an influenza (flu) vaccine into the arm of a boy being comforte
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Distribution of the Blood Vessels
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Distribution of the Blood Vessels
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Distribution of the Blood Vessels
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Blood cells light micrograph
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Blood clot formation illustration
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Blood clot formation illustration
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Artificial human heart on road
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Red woolen heart on table against gray background
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Heart made of wool kept on table against gray background
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Flu vaccination Syringe about to be used by a general practice (GP) nurse to inject an influenza (flu) vaccine into the arm of a boy being comforte
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Red blood cells forming clot SEM
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Red blood cells forming clot SEM
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Red blood cells forming clot SEM
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Stress response illustration
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Stress response illustration
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Stress response illustration
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Stress response illustration
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Stress response illustration
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Flu vaccination General practice (GP) nurse about to use a syringe to inject an influenza (flu) vaccine into the arm of a boy being comforted by hi
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