Lead is increasingly found in drinking water in many parts of the world stemming from industrial processes as well as geochemical mechanisms, it is regarded as {HEAD ~ highly toxic metal ions} to a wide variety of organs in both humans and animals, including {TAIL ~ nervous, immune, reproductive, gastrointestinal systems} 
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Lead is increasingly found in drinking water in many parts of the world stemming from industrial processes as well as geochemical mechanisms , it is regarded as { HEAD ~ highly toxic metal ions } to a wide variety of organs in both humans and animals , including { TAIL ~ nervous , immune , reproductive , gastrointestinal systems }
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