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<h2>A. Keeping a body healthy from disease</h2>
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threaten the food webs of their invaded habitat and effect the ecosystem.
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It's secreted into the extracellular fluids. Collects in the lymph fluid, the vascular blood fluid and eventually the excess is secreted via, urine, feces, lung respiratory exhalation gases, sweat, nasal and mouth, throat mucous and saliva, tears, etc.
Request: Please mark me as the Brainliest.
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I need the points :((((((