The correct answer should be D: All of the above.
1. you don’t want to be cut off from the world at all times. and even if you think someone else isn’t as clean as you’d like then you can take precautions and wash your hands after interacting.
Answer:
A. Interferons
Explanation:
According to Wikipedia, "Interferons are a group of signaling proteins made and released by host cells in response to the presence of several viruses. In a typical scenario, a virus-infected cell will release interferons causing nearby cells to heighten their anti-viral defenses."
ANSWER A.Travis’s heart pumps more quickly to allow oxygen to be removed from the air and transported to the tissue.
