numerous, many in number, factor, an element that influences, insufficient, not enough, unwanted, not desired, to weaken, to make less strong, immune system, body's defense against disease, to restrict, to limit or control, to absorb, to take in, overall, considering everything, function, purpose/job, duration, length of time, disruption, interruption of normal activity, eliminate, to remove completely

7.1 Input Controlled Practice

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