The partitioning of the cytoplasm into variety of highly specialized membrane-enclosed compartments confers speed and efficiency through and intracellular division of labor. the different types of membrane-enclosed organelles serve very specif and unique functions, hope this helps:)
Your veins and arteries allow blood to flow to and from the heart to every part over your body. This is what keeps us alive.
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I believe the answer is Research.
DNA provides the information necessary to take a bunch of lifeless chemicals and turn them into a order, living systems. "Hope this helps! Have a great day! Thank you for posting your questions!"