Can GRAPHITE be poisonus?

can like a normal hb2 pencial (graphite, not lead) be poisonus if in blood? if not what happens? nothing? i've just been wondering for a while cuz these kids when i was little were stupid and put pencial "lead" in there water and drank it... and i haven't seen them since... i know dying is a very... show more can like a normal hb2 pencial (graphite, not lead) be poisonus if in blood? if not what happens? nothing? i've just been wondering for a while cuz these kids when i was little were stupid and put pencial "lead" in there water and drank it... and i haven't seen them since... i know dying is a very small possibility and i know it proly IS something else but i just want to know if PENCIAL GARPHITE IS POISONUS IF IN BLOOD OR DRANK WITH WATER...
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