What are blood vessels? How are the arteries, veins and capillaries different from each other?
For class 7th
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Answer:
(blud VEH-sel) A tube through which the blood circulates in the body. Blood vessels include a network of arteries, arterioles, capillaries, venules, and veins.
on reaching organ or tissue the arteries get divided into small vessels to distribute blood to tissue. these vessels finally form capillaries which are very fine and capable to reach our farthest tissue..
Capillaries are small, thin blood vessels that connect the arteries and the veins
Explanation:
The arteries deliver the oxygen-rich blood to the capillaries, where the actual exchange of oxygen and carbon dioxide occurs. The capillaries then deliver the waste-rich blood to the veins for transport back to the lungs and heart. Veins carry the blood back to the heart
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Answer:
Blood vessels are hollow tubes present throughout the body through which blood flows.
Arteries - Carry oxygenated blood from the heart to different parts of the body. (red in color)
Veins - Carry blood from different parts of the body to the heart.(blue in color)
Capillaries - Extremely narrow blood vessels tat form a network around organs and tissues of the body.
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