it enters the mouth and is swallowed. As an example, lead can be ingested by handling cigarettes, food, etc., with lead contaminated hands.
             1. Short term (acute) overexposure. Large doses of lead may cause seizures, coma, and death from cardio-respiratory arrest. Short term occupational exposures leading to these effects are unusual but possible.
             2. Long-term (chronic) overexposure may result in damage to the blood-forming, nervous, urinary, and reproductive systems. Some common symptoms of overexposure include loss of appetite, metallic taste in the mouth, anxiety, constipation, nausea, pallor, insomnia, headache, nervous irritability, muscle and joint pain, and tremors.
             When lead gets into the body only part of it is eliminated; the majority is stored in the bones and other tissues. As exposure to lead continues, the amount stored in the
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