Answer:opioid or opium
Explanation:Excessive use and withdrawal of opium or opioids can cause disorders in humans.
<span>platysma is an example of a muscle of facial expression.</span>
Photosythesistransforms solar energy into the chemical energy of a carbohydrateStomatacarbon dioxide in the air anters the many spaces of mesophyll tissue through small openingscholoroplastsorganelles that carry on photosynthesisstromaa double membrane surrounds a fluidthykaloidsthird membrane system within the stroma forms flattened sacsgranain some places are stacked
Marslow idetified the following five needs.