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 …

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 …

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.

Your lungs restore blood with oxygen and send it back to the left side of your heart. Your aortic valve opens so that blood can flow from the left side of your heart to your aorta.

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.

Often, the cause is a collection of fat and cholesterol (plaque) that doesn’t let enough blood go through your coronary arteries. Medicines and surgeries can treat myocardial ischemia.

Conduction signals keep your heart beating, which moves blood through your heart. Knowing how this system works can help you spot potential problems and seek help.

Explore how veins and arteries work with the heart to pump blood through the circulatory system. Cleveland Clinic experts explain how.

The oxygen-rich blood flows from your lungs to the left side of your heart. Blood pumps from your heart into your aorta, the large artery that carries oxygenated blood to the rest of your body.

Healthcare providers use Doppler ultrasound to detect heart and blood vessel (cardiovascular) problems. The test shows the direction and speed of blood moving through arteries and veins.