Do you know what Toxins are? 

 A Toxin is a poisonous substance. It is also knw as Toxic. There are many more Toxins than just Hemotoxins. There is Phototoxic, it causes allergic reactions.  

  There is Exotoxin, this is like fungi, bacteria, and other microrganism. Also, there is Toxic Gas. Toxic Gas is just a toxin in air. I'm not going to name all of the 

toxins but i think you got the point.