Answer:
C. An AED
Explanation:
A portable device that examines a person's cardiac rhythm and administers an electric shock to the heart is known as an automated external defibrillator (AED).
Answer:
Virus
Explanation:
According to Dmitri Ivanovsky, Virus are the smallest pathogens. In fact, some of them actually infect bacteria too.
<u>-TheUnknownScientist</u><u> 72</u>
2) By influencing a person's food choices
Answer:
During a vaccination, the body is introduced with a weaker, asymptomatic form of a virus. This pathogen will not spread or cause any sickness because it is so weak but the body will learn and recognize in the future the same pathogen non the less. The body still learns to fight the pathogen even if it is weak like in the vaccine.
Answer:
Pulled this up. Hope it helps.