No. Graphite is not poisonous, not even in the form that is inserted into pencils. Graphite is occasionally ingested to absorb poisons before vomiting is induced. Still, it is not exactly recommended to chew on your pencil graphite 24/7. It won't kill you, though.
Yes, graphite can be harmful to humans. This is especially true if it is inhaled for too long. This can cause problems with breathing, and the person may need respiratory help.
No, it is non-toxic.
Lead is poisonous so eating lead would be harmful. However most pencils are now made from graphite, although people refer to it a lead still. Graphite from a pencil is harmless.
Diarreah
Boron is nontoxic to humans. It is found in our food and drink, so it must be.
If you drink a bottle of febreeze it can be harmful!
No, it is non-toxic.
Nothing, I think. Graphite is simply carbon, and should not be harmful.
yes! eating the nip of pencil is harmful if its made up of graphite
yes the lichens are harmful but to some humans
They are not harmful to humans
Phone radiation can be harmful to humans. It is harmful when the person is on the phone a lot.
earthworms are not harmful to humans theyare just pink and slimmyNo. Worms that are harmful to humans are roundworms, flatworms and hookworms.
Americium is harmful to humans because is very radioactive.
No they are not. In fact, humans are more harmful to them then they are to us.
No, geckos are not harmful to humans. If anything, they are beneficial to humans because they eat insects
Lead is poisonous so eating lead would be harmful. However most pencils are now made from graphite, although people refer to it a lead still. Graphite from a pencil is harmless.
really harmful