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difference between cappillaries and arteries
Asked by Fuad Muhammed Last Modified
Answer 
1. Carry blood away from heart.
2. Outer coat is thin middle coat is thick.
3. Pure oxygenated blood is passed except pulmonary artery.
4. Semilunar valves are absent.
5.Press of blood is high.
1.Link-artery to Vein.
2. Outer and middle coats are absent.
3. Lumen is small in capillary.
4. First part of the capillary contains oxygenated blood and last part contains deoxygenated blood.
5.Semilunar valves are absent.
6. Pressure is falling.
7. Blood flow is slow through capillary.
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Arteries carry blood away from the heart; the main artery is the aorta. ... Capillaries carry blood away from the body and exchange nutrients, waste, and oxygen with tissues at the cellular level. Veins are blood vessels that bring blood back to the heart and drain blood from organs and limbs.
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Arteries transport blood from heart to tissues as well as nutrients. small arteries are innervated by sympathetic nerve fibres so offer maximum resistance to blood flow therefore these vessels mainly control blood
pressure.
Capillaries are exchange vessels and least innervated by sympathetic fibres so exchange by the capillaries occurs through diffusion capillary filtration and other like vesiscular transport
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Pratiksha Singh
Experienced coach with certification of science behind training and all over development
The function of capillaries is to allow food and oxygen to diffuse from the blood to cells, and at the same time, allow waste to diffused from cells into the blood. Also capillaries are very small blood vessels. Arteries in the body carry oxygenated blood from the heart to the rest of the body . Also they are thick so blood pressure is high in arteries
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The three basic types of blood vessels in the human body include,
1)Arteries- #Carry blood away from the heart.
#Carry oxygenated blood (exceptions the pulmonary artery and umbilical artery in the fetus)
#are thick-walled and have a muscular property.
#Tunica external (outermost) tunica media(middle muscular layer) and tunica intima(innermost endothelial layer) is it's three wall layers.
2)Capillaries-These are single-cell lined vessels which are so thin-walled that their primary function is the exchange of gases, nutrients and metabolic waste products between the tissues and blood.
3)Veins- multiple capillaries join up to form a vein. The veins carry deoxygenated blood(exceptions again the pulmonary vein and umbilical vein) towards the heart. It is relatively thought walled and does not have a muscular coat in its walls.
Blood vessels are of majorly three types:
1.) Vein - remember "towards heart"
2.) Artery- remember "away from heart"
3.) Capillaries- remember "distribution"
Now, if someone ask what veins does say they carry blood from body towards heart. Similarly, if someone asks about pulmonary vein(pulmonary is related to lungs) , then it carries blood from lungs towards heart. I guess it's easy figure out about other blood vessels! ! Enjoy 😉
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Ravi Singh
Biology NEET experienced for 20 years in Aakash and other major Brands
Blood vessels comprises arteries, arterioles, veins, veinioles, and capillaries. Wall of arteries and Veins are made up of three layers: 1. tunica externa of fibrous connective tissue i.e. tunica adventitia, 2. tunica media of smooth muscle fibres and elastic connective tissue and 3. tunica intima of squamous epithelial cells called endothelium and elastic tissue.
In capillaries only tunica intima i.e. endothelium is present for exchange of material between the blood and tissue fluids
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