Blood

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Blood is a connective tissue in fluid form . It is considered as the fluid of life because it carries oxygen  from   lungs to all parts of the body & co2 from all parts of the body to the lungs.  It is known as fluid of growth because it carries nutritive substances from the digestive system& hormones from endocrine glands to all the tissues. The blood is also called the fluid of health because it protects the body against the diseases & gets rid the waste products & unwanted substances by transporting them to the excretory organs like kidney.

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