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How Blood Flows Through the Heart & Body - Cleveland Clinic
How does blood flow through the body, step by step? Your heart pumps oxygen-rich blood through your aortic valve and into your aorta. Your aorta is your body’s main artery, and it has many branches that go in different directions to reach various areas of your body.
How Your Circulatory System Works - Cleveland Clinic
2024年9月4日 · Your blood vessels work with your heart and lungs to continuously move blood through your body. Here’s how: Your heart’s right ventricle sends blood that’s low in oxygen (oxygen-poor blood) to your lungs. Blood travels through the pulmonary trunk (the main pulmonary artery). Your blood picks up oxygen in your lungs.
Circle of Willis: What It Is, Anatomy, Function & Location
2024年9月16日 · The two main “highways” that provide the most traffic (blood flow) are the internal carotid artery pathway and the vertebral artery pathway. The other, smaller roads in the CoW form a roundabout for these two highways to connect and exchange traffic.
Heart & Blood Vessels: Blood Flow - Cleveland Clinic
2019年4月30日 · The superior vena cava is the large vein that brings blood from the head and arms to the heart, and the inferior vena cava brings blood from the abdomen and legs into the heart. This vast system of blood vessels - arteries, veins, and capillaries - …
What Is Collateral Circulation? - Cleveland Clinic
Collateral circulation is a natural blood flow bypass that takes over when your normal blood flow is blocked. Collateral circulation acts as a blood flow detour.
Renal Artery: Location, Anatomy and Function - Cleveland Clinic
2021年9月13日 · The renal arteries carry a large volume of blood from the heart to the kidneys. The kidneys filter waste and excess fluid from the blood. You have two renal arteries. The right renal artery supplies blood to the right kidney, while the left artery sends blood to the left kidney.
Heart Conduction System (Cardiac Conduction) - Cleveland Clinic
2025年1月17日 · Blood flows from your right ventricle to your pulmonary arteries and from your left ventricle to your aorta. Your pulmonary arteries take blood to your lungs to get oxygen. Your aorta, your body’s largest artery, sends blood from your heart to the rest of your body.
Renin-Angiotensin-Aldosterone System (RAAS): What It Is
The renin-angiotensin-aldosterone system (RAAS) is the system of hormones, proteins, enzymes and reactions that regulate your blood pressure and blood volume. Locations : Abu Dhabi | Canada | Florida | London | Nevada | Ohio |
Subclavian Vein: Location, Anatomy and Function - Cleveland Clinic
2022年8月3日 · Your subclavian vein helps move oxygen-poor blood from your upper body back to your heart. It receives blood from your axillary vein and runs under your collarbone.
Vasodilation: What Causes Blood Vessels to Widen - Cleveland Clinic
Vasodilation is a natural process that increases blood flow and decreases blood pressure. Vasodilation is mostly beneficial, as it helps deliver oxygen and nutrients throughout your body. But, vasodilation can be harmful in some cases, leading …