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.Veins.Veins are vessels which transports blood to the heart. From the capillaries the blood drains into very small veins called venules, which unite into larger veins along which the blood returns to the heart.



The Main Blood Vessels.
The main blood vessels are the following:
  • Aorta.
    The aorta is the largest and principal artery in the body. From the aorta branches lead to all the organs of the body, supplying them with oxygen and nutrients.
  • Coronary Artery.
    The coronary artery is also a branch of the aorta. It supplies the heart tissue with oxygen and nutrients.
  • Pulmonary Artery.
    The pulmonary artery arises from the right-hand upper corner of the roght ventricle. It branches into the left and right pulmonary arteries which lead to the right and left lung respectively, where the blood is oxygenated.
  • Superior Vena Cava.
    This vein returns deoxygenated blood from the head, arms and thorax to the right atrium.
  • Inferior Vena Cava.
    This vein returns deoxygenated blood from the abdomen and legs to the right atrium.
  • Coronary Vein.
    Deoxygenated blood containing carbon dioxide and waste products is returned from the heart muscle to the right atrium through this vessel.
  • Pulmonary Veins.
    The four pulmonary veins, two from each lung, carry oxygenated blood from the lungs to the left atrium.
  • Hepatic Portal Vein.
    The hepatic portal vein leads from the internal organs, especially the small intestine, to the liver. Its main purpose is to carry blood that contains digested foodsuch as glucose, from the liver small intestine to the liver, where some of the food is deposited and stored such as glucose that is stored as glycogen in the liver.


    Source: http://www.botany.uwc.ac.za/SCI_ED/grade10/manphys/vessel.htm
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Related Questions

Which types of vessels carry blood from the heart?

Arteries


Which blood vessels carry blood towards the heart?

There are three major types of blood vessels in the body, the arteries, capillaries and veins. The vessels that carry blood towards the heart are the veins.


Are vessels the same as veins?

There are three different types of blood vessels: arteries (which carry blood away from the heart) veins (which carry blood toward the heart) and capillaries (which carry blood from arteries to veins). So veins are a type of vessel, but not the only type.


What are the 3 blood vestles called?

The three types of blood vessels in the body are veins, arteries, and capillaries. Arteries carry blood away from the heart. Veins carry blood to the heart. Capillaries are microscopic vessels that are found in the lungs and muscles.


What are the tubes called that blood travels around the body in?

The tubes that blood travels around the body in are called blood vessels. There are three main types of blood vessels: arteries, veins, and capillaries. Arteries carry blood away from the heart, veins carry blood back to the heart, and capillaries connect the arteries and veins.


What are any tubes that carry blood called?

Blood vessels are the tubes that carry blood. The three types of blood vessels are arteries, capillaries, and veins.


What are the three types of blood vessels and their functions?

Arteries - carry blood away from the heart Veins - carry blood back to the heart Capillaries - allow the exchange of water/chemicals between blood and tissues


What are two types of blood vessels?

Two types of blood vessels are arteries, which carry blood away from the heart, and veins, which carry blood towards the heart. There is also a third type of vessel called a capillary which is neither artery nor vein but connects the two and is the site where oxygen, nutrients, and wastes are exchanged between the blood and the tissues.


Why do you need your blood vessels?

The blood vessels are the part of the circulatory system that transports blood throughout the body. There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart


What a network of tubes that carry blood through the body?

Blood vessels transport blood throughout the body. There are different types of blood vessels - the main ones being arteries, veins and capillaries. Arteries carry blood away from the heart, veins carry blood towards the heart and capillaries are where gas exchange occurs.


Where do blood move through?

veinsThere are two types of blood vessels in the circulatory system of the body - arteries that carry oxygenated blood from the heart to various parts of the body; and veins that carry blood towards the heart for purification.


Information about types of blood veassals?

There are 2 types of blood vessels namely:- 1. Veins 2. Arteries. These 2 native blood vessels carry blood to and fro from the heart. The first one i.e. the veins carry impure, deoxiginated blood from the body back to the heart. These are thin vessels which have walls like the size of our hairs which penetrates the flow of substances from the other vessels. The second one i.e. the arteries are blood vessels that carry blood from the heart to the different parts of the body. As like to veins, arteries too have walls but much more thicker than the veins.