Flash Cards



Contentment is feeling free from worry. Feelings of contentment are peaceful and happy.

select agents

(si-LEKT AYjuhnts)

Select agents are organisms that can cause a disease. The CDC works with select agents in its laboratories.



Someone coughs when he or she makes a loud noise from their throat, usually while sick. Ken’s mom coughs and sneezes.



To inflate is to add air or gas to something and make it larger. Gases fill the lungs and inflate the alveoli.



If someone is not relaxed or is in discomfort, they are uncomfortable. Rachel was uncomfortable with getting a hug.



An emotion is the way that you are feeling. It is important to understand each emotion that you may have.