That statement is true.
Endocrine system consisting of two major glands, Thyroid and Adrenal. The thyroid hormone had the function to produce necessary ingredients for protein synthesis and maintaining our metabolic rate. The adrenaline would help in fight or flight situation by improving our concentration.
Also could be because they are actually doing an action the homework so they are able to remember things more. Hope this helps
All of them are good options but i would go with to say please and thank u
Pipe to the spirit ditties of no tone”. Keats usesdescribes the scene on the urn, in which musicians are pictured, yet their music is unheard.