Answer:
is there a picture or something attached?
Answer:
Working out in a gym
Explanation:
This is the only activity that could actually be healthy.
It helps with executive functions, such as behaving in socially appropriate ways.
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."
