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exposure – n. the fact or condition of being affected by something or experiencing something
respiratory – adj. of or relating to breathing or the organs of the body that are used in breathing
inhale(d) – v. to breathe in
evacuation(s) – n. the act of forcing someone to leave a dangerous place
hazardous – adj. involving risk or danger
pen(s) – n. a small enclosed area for animals
replicate – v. to repeat or copy something exactly
toxicology – n. the study of poisonous chemicals and drugs and how a person or other living thing reacts to them
congestion – n. the condition of having ones respiratory system blocked with fluid such as blood or mucus
cycle – n. a repeating series of events or actions
