Please study the 20 vocabulary terms below. Then press the Mark Complete button to continue.
- AIDS (acquired immunodeficiency syndrome)
- a severe immunological disorder caused by the retrovirus HIV
- anemia
- a pathological deficiency in the oxygen-carrying component of the blood
- bacterium
- any member of microorganisms typically a few micrometres in length and shaped like spheres, rods, or spirals
US
UK
US
UK
AIDS is commonly spread through sexual contact or sharing a needle with an infected person.
US
UK
US
UK
Blood loss or iron deficiency are common causes of anemia.
US
UK
US
UK
Most hospitals have anti-bacterial gel for visitors to use to wash their hands.
SORRY, BUT YOUR FREE VIEWS HAVE RUN OUT!
"We hope you have noticed that this site is not like the others. It is free from advertising, spyware, and annoying clickbait. Therefore, we rely 100% on our user base for financial support. In fact, this site would not exist without the support of our hundreds of loyal subscribers. Your support begins with a free registration. Thank you."
Not convinced? Read our About us or Clients pages for more info, including testimonials, case studies, and more.