Answer:
Explanation:Define dissection. The process of carefully separating tissues to reveal anatomical relationships.
The answer to this is Carbon Dioxide.
Vaccine is preventing the infection.
Antiviral is a medicine taken after infection
Because it can cause some very bad cramps in the stomach
Answer: They usually run tests too see. For example, that's why they made blood tests. They take you blood from you, and run tests to see if you have a disease.
Explanation: Hope it helps!