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Weakening of the wall of artery causing an abnormal bulge or ballooning of the artery is called

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Important Questions on Body Fluids and Circulation

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Read the following statements:
(i) Pulse can be felt on a vein.
(ii) The inner lining of the blood vessel is called the endothelium.
(iii) The cardiac tissue present in the wall of the heart is supplied by the coronary artery.
(iv) Both renal and hepatic portal systems are present in humans.
Which of the above statements are correct?
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Sudden damage to heart muscles due to inadequate blood supply is called
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--------------- refers to hardening and loss of elasticity of arteries.
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A cardiac disorder in which impulses are interrupted at any point along the conducting system of heart is called