Answer:
Antibodies develop to fight off the virus.
Explanation:
Antibodies develop while you get a virus, which helps fight off the virus and protect you from getting it again.
Answer:
It can be harmful in many ways
Explanation:
When a mutation alters a protein that plays a critical role in the body, it can disrupt normal development or cause a medical condition. A condition caused by mutations in one or more genes is called a genetic disorder. In some cases, gene mutations are so severe that they prevent an embryo from surviving until birth.
Its hard to believe it but its D.<span />
An electrocardiogram records the electrical activity of the heart.
Answer:
Option 4
Explanation:
Please see the attachment