What Is The Difference Between Arteries Veins And Capillaries

Blood is pumped from the heart in the arteries.

So there is low pressure because the blood has spread from few arteries to many capillaries finally the deoxygenated blood flows into veins to begin its journey back to the heart. According to the franklin institute there are three types of blood vessels each with its own function. Arteries capillaries and veins. All arteries except the pulmonary arteries carry oxygenated blood.

Arteries carry blood under high pressure from the heart to the organs and tissues. It is returned to the heart in the veins. The veins return to the heart arteries come out of it. It s over 60 000 miles long and is made up of three main types of vessels.

The vascular system is responsible for delivering oxygen and nutrients to and carrying waste products away from all the body s tissues. Their walls are generally thicker than veins. The arteries are the first type of conduit through which the blood passes through the heart. Capillaries on the other hand act as intermediaries connecting arterioles and venules.

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On the other hand capillaries transport blood away from the body and also allow the exchange of carbon dioxide oxygen nutrients and waste products in the body. Veins carry blood back to the heart arteries carry blood away from the heart and capillaries connect arteries to veins. Now remember the capillaries contain low pressure blood to pass on to veins so the veins don t need thick walls like arteries. Capillaries serve the function in the circulatory system of helping to facilitate the exchange of various things between blood and tissue.

Arteries are always moving blood away from the heart while veins are always moving blood towards the heart. The capillaries fulfill the function of bridge. The capillaries connect the two types of blood vessel and molecules are exchanged between the blood and the. A layer of tissue on the outside a layer of smooth epithelial cells on the inside and a.

The veins on the other hand are the ducts of entrance to this. Functional differences arteries move oxygenated blood away from the heart to other body organs while veins carry deoxygenated blood back to the heart.