Differentiation between arteries, veins and capillaries(3-5 points) Very urgent, exam in a few hours?

Question

Answer

Arteries--> artery carries oxygenated blood from heart to all parts of the body expect Pulmonary artery* arteries a blood vessel having thick wall.Veins--> veins carries deoxygenated blood from the body to the heart for purification expect Pulmonary vein.* it is a blood vessel having thin wall.Capillary-->* it is a very narrow blood vessel having very thin wall.* it contains mix blood as well as it connects arteries and veins

Answer

Answer

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.

What do arteries and veins have that capillaries don t?

Capillaries connect the arteries to veins. ... They're similar to arteries but not as strong or as thick. Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.)

Blood vessels flow blood throughout the body. Arteries transport blood away from the heart. Veins return blood back toward the heart. Capillaries surround body cells and tissues to deliver and absorb oxygen, nutrients, and other substances.

Answer

--->Arteries have thick wall and they carry oxygenated blood accept Pulmonary artery.

-----> Veins have thin wall and they carry deoxygenated blood accept Pulmonary veins.

---> capillary have thin wall and they connect arteries and veins.

Answer

Read ncert book in biology

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