write a short note on blood vessels for class 7
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The blood vessels are the components of the circulatory system that transport blood throughout the human body. These vessels transport blood cells, nutrients, and oxygen to the tissues of the body. They also take waste and carbon dioxide away from the tissues.
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Blood vessels are the thin tube like structures that run throughout our body to every single part of our body.
Its function is to deliver oxygen rich blood from the heart to the cell and from the cell carbon dioxide and other waste products to be removed by the body
Blood vessels are classifies into 2 parts based on the type of blood they are carrying .The oxygen rich blood is carried by Arteries and carbon dioxide blood is carried by the Veins
the blood vessels are further divided to very small thread like tubes to reach every single living cell these are called capillaries
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