Blood flows through your heart, lungs and body in a series of steps. After delivering oxygen and nutrients to all your organs and tissues, your blood enters your heart and flows to your lungs to gain …

Your heart contains four muscular sections (chambers) that briefly hold blood before moving it. Electrical impulses make your heart beat, moving blood through these chambers.

Sep 4, 2024 · After leaving the tissues and organs, your blood returns to your heart through veins. The blood travels through your heart and lungs to get oxygenated again and repeat the process. This …

The heart pumps blood through the mitral valve into the left ventricle. From the left ventricle, the blood flows through the aortic valve to the rest of your body.

The first part of your aorta, called your ascending aorta, carries oxygen-rich blood directly out of your heart’s left ventricle. From there, blood flows into your aorta’s many branches to nourish the rest of …

May 20, 2022 · The four heart chambers and four valves work together to separate the oxygen-rich blood from the oxygen-poor blood. When healthy, the structure of your chambers and valves allows …

Feb 24, 2022 · It starts in the lower-left part of the heart and passes through the chest and abdomen. Along the way, blood vessels branch off the aorta, extending to organs and supporting tissue.

For each heartbeat, electrical signals travel through the conduction pathway of your heart. It starts when your sinoatrial (SA) node creates an excitation signal.

Each of these major blood vessels connects with a different chamber of your heart and manages blood flow either in or out of your heart. Your main pulmonary artery and your aorta are the two great …

Feb 12, 2025 · What are blood vessels? Blood vessels are channels that carry blood throughout your body. They form a closed loop, like a circuit, that begins and ends at your heart. Together, your heart …