D. Pathogens can be found in saliva and mucus drops from sneezes
I believe you are asking about the "triangle" we were tought a simple triangle. Cells at the bottom because there are the most of them, tissues next, organ next, and organ system at the top. So I believe the answer you are looking for is Organ System.
Answer:
The respiratory system is important because it provides the oxygenation of the whole body. And good nutrition affects it by supplying the cells of the respiratory system the glucose, proteins, water, and other compounds required to its correct functioning.
Explanation:
The reason behind this answer is that we are talking about metabolism. Let's look at this as a whole, first, all the body has cells. All these cells require energy and other substances to work properly. Now, the only way we can provide them their required substances is by eating. Because this is our natural way to obtain nutrients. So, if the lung cells require glucose, oxygen, proteins, calcium, water, zinc, or any other elements. We can provide them the best substances with the best nutrition, so the system can work.
before the first bite/sip of your dairy. the supplement must take its course before the food is entered.
