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2. Cardiac cycle - Wikipedia

   en.wikipedia.org/wiki/Cardiac_cycle

   The section shows: 1) the opened ventricles contracting once per heartbeat—that is, once per each cardiac cycle; 2) the (partly obscured) mitral valve of the left heart; 3) the tricuspid and pulmonary valves of the right heart—note these paired valves open and close oppositely. + (The aortic valve of the left heart is located below the ...

3. Cardiac physiology - Wikipedia

   en.wikipedia.org/wiki/Cardiac_physiology

   The function of the right heart, is to collect de-oxygenated blood, in the right atrium, from the body via the superior vena cava, inferior vena cava and from the coronary sinus and pump it, through the tricuspid valve, via the right ventricle, through the semilunar pulmonary valve and into the pulmonary artery in the pulmonary circulation ...

4. Wiggers diagram - Wikipedia

   en.wikipedia.org/wiki/Wiggers_diagram

   A Wiggers diagram modified from [1]. A Wiggers diagram, named after its developer, Carl Wiggers, is a unique diagram that has been used in teaching cardiac physiology for more than a century.

5. These Are the 2 Biggest Signs of Heart Valve Damage ... - AOL

   www.aol.com/2-biggest-signs-heart-valve...

   It bears repeating that heart valves play a crucial role in blood flow; it’s important to have functioning valves. While certainly maintaining a heart-healthy diet and exercising regularly are ...

6. 8 Common Cardiovascular Diseases for Men & How to Prevent Them

   www.aol.com/8-common-cardiovascular-diseases-men...

   When the bottom chambers of your heart beat too early. ... Valvular heart disease. Your heart valves control the way blood flows in and out of your heart and through the four chambers of your ...

7. What Is Heart Disease? Everything You Need to Know - AOL

   www.aol.com/heart-disease-everything-know...

   There are a few different ways your heart valves can malfunction, leading to poor circulation and extra stress on the heart that can ultimately lead to heart failure. Heart valve diseases include ...

8. Anatomy of the human heart - Wikipedia

   en.wikipedia.org/wiki/Anatomy_of_the_human_heart

   The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...

9. Heart valve - Wikipedia

   en.wikipedia.org/wiki/Heart_valve

   A heart valve is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart. A mammalian heart usually has four valves. Together, the valves determine the direction of blood flow through the heart. Heart valves are opened or closed by a difference in blood pressure on each side. [1] [2] [3]