I believe it's B. Lower grade of plastic due to recycling. No promises though.
Helps prevent blood clots... Isn’t that the only one?
A possible answer could be the quality of air being inhaled
Answer:
vasogenic edema
Explanation:
Vasogenic edema is defined as extracellular accumulation of fluid resulting from disruption of the blood-brain barrier (BBB) and extravasations of serum proteins, while cytotoxic edema is characterized by cell swelling caused by intracellular accumulation of fluid.
