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  2. Circulatory system - Wikipedia

    en.wikipedia.org/wiki/Circulatory_system

    The lymphatic system also works with the immune system. [6] The circulation of lymph takes much longer than that of blood [7] and, unlike the closed (blood) circulatory system, the lymphatic system is an open system. Some sources describe it as a secondary circulatory system. The circulatory system can be affected by many cardiovascular diseases.

  3. Hemodynamics - Wikipedia

    en.wikipedia.org/wiki/Hemodynamics

    The heart is the driver of the circulatory system, pumping blood through rhythmic contraction and relaxation. The rate of blood flow out of the heart (often expressed in L/min) is known as the cardiac output (CO). Blood being pumped out of the heart first enters the aorta, the largest artery of the body.

  4. Cardiac physiology - Wikipedia

    en.wikipedia.org/wiki/Cardiac_physiology

    Blood flows through the heart in one direction, from the atria to the ventricles, and out through the pulmonary artery into the pulmonary circulation, and the aorta into the systemic circulation. The pulmonary artery (also trunk) branches into the left and right pulmonary arteries to supply each lung. Blood is prevented from flowing backwards ...

  5. Cardiovascular physiology - Wikipedia

    en.wikipedia.org/wiki/Cardiovascular_physiology

    Blood flow through the left coronary artery is at a maximum during diastole (in contrast to the rest of systemic circulation, which has a maximum blood flow during systole.) splanchnic circulation: 15%: low: Flow increases during digestion. hepatic circulation: 15%: Part of portal venous system, so oncotic pressure is very low renal circulation ...

  6. Coronary circulation - Wikipedia

    en.wikipedia.org/wiki/Coronary_circulation

    Coronary circulation is the circulation of blood in the arteries and veins that supply the heart muscle (myocardium). Coronary arteries supply oxygenated blood to the heart muscle. Cardiac veins then drain away the blood after it has been deoxygenated.

  7. 7 Ways to Improve Circulation Naturally - AOL

    www.aol.com/7-ways-improve-circulation-naturally...

    Proper circulation provides nutrients and oxygen to all the organs and tissues, keeps them functioning properly, and helps with the removal of waste from tissues. “Poor blood circulation can ...

  8. Heart - Wikipedia

    en.wikipedia.org/wiki/Heart

    Blood flow through the valves Blood flow through the heart Video explanation of blood flow through the heart. The heart functions as a pump in the circulatory system to provide a continuous flow of blood throughout the body. This circulation consists of the systemic circulation to and from the body and the pulmonary circulation to and

  9. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!