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."
Well the only one that makes most sense is the flight or fight response because your body senses danger causing ur adrenalin to get shot up which would allow ur body to feel more safe. Hope this helped :)
Alveoli small balloon-like structures which are responsible for the oxygen exchange in the lungs across the membranes. These are attached to the branches of the bronchial passages. These alveoli inflate and deflate with inhalation and exhalation. Answer is C.
Yes, because the Affordable Care Act requires insurance to cover children up to the age of 26.
