Bilal has lost twenty pounds. his weight is below its optimal set-point. one would expect his levels of neuropeptide y (npy) to in order to hunger and fat storage.

Bilal weight lost should trigger and increase in his level of neuropeptide Y in order to increase hunger and fat storage.

Explanation:

First of all, we need to understand what are neuropeptides. Neuropeptides are certain aminoacid molecules very similar to the protein that serves as a way of communication between the nervous system and many other systems. In our case, they are the transmission of the neurons and the pancreas as well as the stomach and the pituitary gland to increase the production of ghrelin and by doing this also increasing Bilal's hunger and fat storage.

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answer; criterion validity