If a wound is exposed to it (A cut) then it will enter your blood.
Highlighter ink will not harm you as long as you don't have it inside your skin.
because it can put poison in your body
Tattoo ink would separate because it is water based so that it doesn't harm the body.
Toxicity from a rubber stamp depends on the ink being used. Most all inks on today's market are considered nontoxic and would take over an ounce of ink being ingested to cause any harm.
A small amount won't harm you, but you might have an interestingly colored tongue for a while.
In reality, a person can still use expired ink cartridges in their printer. Doing so will not cause any harm to the machine or anything negative. Expired ink might start to lose its color eventually, but a person should not worry too much about that. In any case, a person can always buy new ink if they are not comfortable with using "old" ink.
I'm sure it does some harm but most likely very minimal considering millions and millions of people have them.
You passed a dyed-black cat? Ink may stain clothing.
You can get ink poisoning if it seeps into an open wound but this only applies to toxic inks. A vast majority of inks used in pens is non-toxic and will cause no harm.
soluble ink is ink that is soluble
ink is expelled from their ink sac
There are different types of ink to be found in a printer ink warehouse. To name a few, you have: waterproof ink, toners, dye-based ink and pigment-based ink.