Blood Vessels: Types, Function & Anatomy - Cleveland Clinic
Blood vessels move blood through your body. They help deliver oxygen to organs and tissues and remove waste. Blood vessels include veins, arteries and capillaries.
Great Vessels of the Heart: Anatomy & Function - Cleveland Clinic
Your great vessels work as a system of highways to keep blood moving in the correct paths throughout your body. These vessels connect with various chambers of your heart to send …
How Your Circulatory System Works - Cleveland Clinic
Sep 4, 2024 · Your cardiovascular system functions with the help of blood vessels. Some blood vessels (veins) return blood to your heart, while others (arteries) carry blood away from your …
What is the Endothelium? - Cleveland Clinic
Your endothelium is a single layer of cells that line your blood vessels and help them contract and relax. These cells also release substances that control clotting.
Arteries: What They Are, Anatomy & Function - Cleveland Clinic
Apr 30, 2022 · Arteries, part of your circulatory (cardiovascular) system, are the blood vessels that bring oxygen-rich blood from your heart to all of your body’s cells. They play a crucial role in …
Blood: What It Is & Function - Cleveland Clinic
White blood cells and platelets account for less than 1% of your blood. Blood carries oxygen throughout your body, protects you from infections and stops the bleeding when you’re injured.
Endothelial Dysfunction: Symptoms, Causes & Treatments
May 12, 2022 · Endothelial dysfunction occurs when there isn’t enough nitric oxide (NO) inside of your blood vessel walls. Your endothelium itself makes nitric oxide, which acts as a …
Veins: Anatomy and Function - Cleveland Clinic
Jun 19, 2022 · What are veins? Veins are blood vessels located throughout your body that collect oxygen-poor blood and return it to your heart. Veins are part of your circulatory system. They …
Coronary Arteries: Function & Anatomy - Cleveland Clinic
Jun 2, 2025 · Your coronary arteries are major blood vessels that supply blood to your heart. They make it possible for your heart to beat and pump blood throughout your body.
Continuous Capillaries: Anatomy and Function - Cleveland Clinic
Continuous capillaries are tiny blood vessels found in your brain and other organs and body systems. They help blood cells deliver nutrients, hormones and oxygen.