What is transportation system ? How it helps to the organisms ?
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Transportation system can be defined as the life carrying process which is responsible for transport of various organic substances in our body.
We know that our all body parts are not so lucky to get their requirements directly by the nature, so in order to serve them also we have transportation system.
We know that our all body parts are not so lucky to get their requirements directly by the nature, so in order to serve them also we have transportation system.
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