Answer:
C) absorption; villi, blood vessels, lymphatic vessels
Explanation:
The villi are many small folds in the intestine (0.5 to 1.6 mm in length) that increase the surface area and thus maximize the absorption of foods. The villi transport nutrients from food to the capillaries and lymphatic vessels which are found close to its surface. The blood vessels support the tissues of the small intestine and they required to transport the nutrients to the body. Moreover, the lymphatic vessels are involved in nutrient absorption by returning the interstitial fluid to the bloodstream.
The body already produces enough protein to get by just fine. However, many people think athletes "use up" too much protein and faster than they gain it back, but that is not true because the body regulates homeostasis. I hope I helped :)
I believe it is the 3rd one but I am not sure but if you want an explanation on why, I will tell you that phobias are based off of a certain object,situations,or anything that makes you react with so much fear. That is why I think it is the 3rd one but let me know what the answer is I am curious of what the actual answer may be.
The answer is B because a virus would be more effective