As you know,: the excretory system removes excess, unnecessary materials from body fluids. These materials are removed in urine, feces, exhaled, sweat, etc. Junk food: non-nutritional food often high in sugar/fat and low in fiber, protein, vitamins or minerals. These are not a challenge to the excretory system but to metabolism often leading to obesity, diabetes, arterial plaque. AVOID THEM!!
Answered 4/8/2018
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