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BLOOD FLOW through the HEART. Biology Version:. The right and left sides of the heart work together Right Side Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. Left Side
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Biology Version: The right and left sides of the heart work together Right Side Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. Left Side The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
Atrial contraction Right Side Blood flows from your right atrium into your right ventricle through the open tricuspid valve. When the ventricles are full, the tricuspid valve shuts. This prevents blood from flowing backward into the atria while the ventricles contract (squeeze). Left Side Blood flows from your left atrium into your left ventricle through the open mitral valve. When the ventricles are full, the mitral valve shuts. This prevents blood from flowing backward into the atria while the ventricles contract (squeeze).
Ventricular contraction Oxygen and carbon dioxide travels to and from tiny air sacs in the lungs, through the walls of the capillaries, into the blood. Right Side Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Left Side Blood leaves the heart through the aortic valve, into the aorta and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs and body.
Superior Vena Cava Inferior Vena Cava
Superior Vena Cava Inferior Vena Cava
Superior Vena Cava Right Atrium Inferior Vena Cava
Superior Vena Cava Right Atrium Inferior Vena Cava
Superior Vena Cava Right Atrium Tricuspid Valve Inferior Vena Cava
Superior Vena Cava Right Atrium Inferior Vena Cava Tricuspid Valve
Superior Vena Cava Right Atrium Inferior Vena Cava Tricuspid Valve Right Ventricle
Superior Vena Cava Right Atrium Inferior Vena Cava Tricuspid Valve Right Ventricle
Superior Vena Cava Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Superior Vena Cava Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Superior Vena Cava Pulmonary Trunk Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Superior Vena Cava Pulmonary Trunk Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Lungs Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Lungs Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Left Atrium Right Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Bicuspid Valve Pulmonary Semilunar Valve Inferior Vena Cava Tricuspid Valve Right Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Right Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Left Ventricle Right Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Right Ventricle Left Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Aortic Trunk Pulmonary Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Lungs Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Lungs Brachiocephalic Artery Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Lungs Brachiocephalic Artery Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Left Common Corotid Artery Lungs Brachiocephalic Artery Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Left Common Corotid Artery Lungs Brachiocephalic Artery Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Left Subclavian Artery Left Common Corotid Artery Lungs Brachiocephalic Artery Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Left Common Corotid Artery Lungs Left Subclavian Artery Brachiocephalic Artery Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Left Common Corotid Artery Lungs Left Subclavian Artery Brachiocephalic Artery Aorta Pulmonary Veins Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Left Common Corotid Artery Lungs Left Subclavian Artery Brachiocephalic Artery Pulmonary Veins Aorta Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Left Common Corotid Artery Lungs Left Subclavian Artery Brachiocephalic Artery Pulmonary Veins Aorta Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Arteries Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Left Common Corotid Artery Lungs Left Subclavian Artery Brachiocephalic Artery Pulmonary Veins Aorta Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Arteries Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle
Pulmonary Loop Left Common Corotid Artery Lungs Left Subclavian Artery Brachiocephalic Artery Pulmonary Veins Aorta Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Arteries Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle Body
Pulmonary Loop Left Common Corotid Artery Lungs Left Subclavian Artery Brachiocephalic Artery Pulmonary Veins Aorta Pulmonary Arteries Superior Vena Cava Pulmonary Trunk Aortic Trunk Right Atrium Left Atrium Aortic Semilunar Valve Pulmonary Semilunar Valve Inferior Vena Cava Arteries Bicuspid Valve Tricuspid Valve Intraventricular Septum Right Ventricle Left Ventricle Body Tissues