What is the Meaning & Definition of toxic

The term toxic is used as an adjective to describe and qualify all those elements or substances that are harmful and damaging to some kind of organism, usually it is used in reference to human beings even though most of them tend to be so harmful for him as for the animals, plants and any other living being. The word 'toxic' comes from the Greek language, for which toxonsignificaba 'arrow head', the element normally loaded with poison to kill the enemy. Toxicology, i.e. the science that is in charge of analyzing the toxic effects of certain elements on the human body and other living organisms in general, States that a product or substance is toxic when it causes any harm, both superficial and deep. In general, toxic products generate damage to cells of different tissue causing not only damage but also, in some cases, your total disintegration.
When using the term 'toxic' it is normal to think of elements such as chemicals. These tend to be classified as the most dangerous for any living being because to be composed of very aggressive and reactive elements, they tend to cause irreversible damage even in small amounts. Other toxic elements can be those who consume excessive quantities, e.g. tobacco, alcohol, drugs, etc.
Normally, products or toxic substances tend to be identified with easily recognizable symbols such as skulls or crosses indicating the danger of it. In this way, seeks to alert consumers about the importance of the proper and careful use of those elements thus classified in order to prevent accidents, injuries and poisoning of any kind. In addition, prompted to place these products away from the reach of children and pets, as well as having to be maintained in dry and dark places.