Answer:Connective tissue integrates the various parts of the body and provides support and protection to organs. Muscle tissue allows the body to move. ... Different types of tissues form membranes that enclose organs, provide a friction-free interaction between organs, and keep organs together.
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having exactly the same DNA sequences, twins start accumulating genetic variation from the earliest stages of development, researchers at Iceland-based company deCODE genetics found, meaning that one twin harbors variants that aren't present in the other.
South America has the largest grassland of Earth.<span><span><span /></span></span>