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Human Heart

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Pulmonary circulation is the half portion of the cardiovascular system which carries oxygen-depleted blood away from the heart, to the lungs, and returns oxygenated (oxygen-rich) blood back to the heart. What is the largest blood vessel leaving in the heart

Answer:
The Aorta. It is an artery (arteries move blood away from the heart), and is the largest vessel in the human body. What organ or muscles do renal artery, pulmonary artery and coronary artery bring blood? renal=kidneys

pulmonary=lungs
coronary=heart
heartbeat /heart·beat/ (hahrt´bēt) a complete cardiac cycle, during which the electrical impulse is conducted and mechanical contraction occurs. Dorland's Medical Dictionary for Health Consumers. © 2007 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

heart·beat (härtbt)n.A single complete pulsation of the heart.| The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

heartbeat,
a complete cycle of cardiac muscle contraction and relaxation. Mosby's Medical Dictionary, 8th edition. © 2009, Elsevier.

heartbeat [hahrt´bēt]
the cycle of contraction of the heart muscle; it begins with an electrical impulse in the sinoatrial node, which serves as the normal pacemaker for the heart. Pulse: The rhythmic dilation of an artery that results from beating of the heart. Pulse is often measured by feeling the arteries of the wrist or neck. pulse

1  [puhls]  Show IPA noun, verb, pulsed, puls·ing.
noun
1.
the regular throbbing of the arteries, caused by the successive contractions of the heart, especiallyas may be felt at an artery, as at the wrist. 2.
a single pulsation, or beat or throb, of the arteries or heart. Blood pressure: The blood pressure is the pressure of the blood within the arteries. It is produced primarily by the contraction of the heart muscle.  A lymph node is an oval-shaped organ of the immune system, distributed widely...

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