A poisonous substance that comes from a living organism is known as a(n):

The thoracic cage is comprised of the thoracic vertebrae, the costal bones, and the sternum

Indicate whether the statement is true or false

You are on the scene of an accident where patients are exhibiting the following symptoms: respiratory distress, burning of the eyes and other mucous membranes, coughing, nausea, and vomiting. What type of chemical weapon might be suspected?

A) Blister agents B) Choking agents C) Riot control agents D) Nerve agents