Structure:Veins, much like arteries, have an oval space in the center called the lumen that is covered by the three layers of tissue mentioned above. However, the walls of these three coats have far less muscula
Unlike arteries, veins generally need to work against gravity to push blood back to your heart. Veins have valves to help with this. These are one-way pairs of flaps inside a vein. They open for blood that’s heading upwards toward the heart, and close to keep blood from flowing back d...
Your arteries and veins have a big job to do. They're part of a transportation system that moves blood around. Arteries carry blood loaded with oxygen from your heart to the rest of your body. Veins deliver the blood, now without much of the oxygen, back to your heart. From there, th...
Compare and contrast the major arteries and veins of the pulmonary and systemic circulation. Because veins lack the muscular layer that arteries have, what processes are used to move the blood through the veins and back to the heart? What are the functions of the heart, arteries, ...
The main blood vessels in an organism that has a contained cardiovascular system are arteries and veins. Arteries carry blood away from the heart to the bodies tissues while veins carry blood back to the heart.Answer and Explanation: Arteries and veins differ in their struct...
What are arteries? Read an artery definition, learn about major arteries and how arteries function, and understand the dangers of hardening of the...
Anesthesiologist: An anesthesiologist keeps a patient comfortable, safe and pain-free during surgery by administering local or general anesthetic. Cardiologist: A cardiologist specializes in finding, treating, and preventing diseases that affect the heart, the arteries, and the veins. Cardiothoracic Surgeon...
Cardiologist: A cardiologist specializes in finding, treating, and preventing diseases that affect the heart, the arteries, and the veins. Cardiothoracic Surgeon: A cardiothoracic surgeon specializes in surgical procedures inside the thorax (the chest), which may involve the heart, lungs, esophagus, ...
High blood pressure is a condition that stresses your veins and arteries. It increases the risk of heart disease, heart failure, and stroke. High blood pressure is called "the silent killer" because it rarely causes symptoms. Excess sodium may further exacerbate high blood pressure, but adequate...
How do arteries and veins differ in the direction of blood flow? Which is the first and largest blood vessel that carries oxygenated blood to the systemic circuit? (a) Aorta (b) superior vena cava (c) coronary arteries (d) pulmonary artery (e) carotid artery. ...