Doctor insights on:
What Do The Coronary Arteries And Veins Do
Coronary A/V: The coronary arteries take blood from the aorta to the heart and the coronary veins drain the blood from the heart. The heart is a muscle, therefore, it requires blood to function. When a coronary artery becomes blocked then a heart attack can occur. ...Read moreSee 2 more doctor answers
Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more
Carry blood: The coronary afteries are located just above the aortic valve. Blood flows through those arteries and suppies oxygen to the heart muscle. A number of factors can cause the arteries to dilate (become wider) so that the flow of blood can increase if needed such as when you exercise. ...Read moreSee 1 more doctor answer
Family DNA: Arteries become blocked with arteriosclerosis, and it tends to run in the family, and diet/lifestyle contributes to the progression. Veins become blocked with blood clots, and heredity can make one more prone to development of blood clots. Venous clots occur in the deep and superficial veins, and the former type requires anticoagulation. Prolonged travel, surgery are risk factors for clots. ...Read more
What r the stressors that makes arteries constrict? do they constrict when training? when do the aorta and carotid arteries constrict?
Biggest: probably because they are the biggest artery and vein in the body! ...Read more
No.: Tetralogy of fallot includes a ventricular septal defect (a hole between the left and right ventricles), pulmonary stenosis (narrowing of the pulmonary valve), right ventricular hypertrophy (thickening of the wall of the right ventricle), and an overriding aorta (an aorta which arises from the top of the ventricular septal defect instead of from the left ventricle). ...Read more
What is unique about the pulmonary veins and pulmonary arteries when compared to other veins and arteries on the body?
They are backwards: All arteries in the body carry oxygenated blood from the heart. After leaving the arteries, blood enters capillaries where oxygen is dropped off and carbon dioxide waste is picked up. Veins then take the carbon dioxide back to the heart. Now here is the difference. The pulm. Arteries then take the blood with carbon dioxide to the lungs where oxygen is picked up and carried by the pulm. Veins. ...Read more
Return blood: in most people, the pulmonary veins return oxygenated blood back to the left side of the heart so the heart can squeeze the blood out to be delivered to the entire body. In some cases, there is an abnormal communication of pulmonary vein(s) and they can deliver blood to the right side of the heart although this is abnormal. ...Read moreSee 1 more doctor answer
Deep in your body.: The main vein and arteries lie deep in your body usually under the muscles or within the abdominal and chest cavity. Any anatomy book will show you where they are located. The key is deep not superficial location. Examples include aorta, iliac, femoral, popliteal and tibial arteries and corresponding vena cava, iliac, femoral, popliteal and tibial veins. ...Read more
Complicated: By lack of exercise, do you mean complete immobility? Also, what type of diet is the person consuming? Are they under a lot of stress? What is the family history? Many things contribute to good heart health. Exercise is but one of them, constant low intensity activity without exercise can still keep someone's heart healthy with the right diet and well managed stress and sleep. ...Read more
Major surgery: Major artery switch procedure at very young age, or sequence of three complex surgeries to make the right ventricle to work like the left one. ...Read more
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