The inauguration speech in January of 1937 was militantly humanitarian, and, to the President reveling in his electoral success, it seemed that only the Supreme Court stood in his path. He launched a strident attack on the institution within weeks of the beginning of his second term.
A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the eardrums, followed by an exhalation of breath. Yawning (oscitation) most often occurs in adults immediately before and after sleep, during tedious activities and as a result of its contagious quality.
So yawning may function in altering the first two variables: increasing arterial blood flow and allowing the flow of cooler blood to the brain.. To answer the question of what happens in the body is fairly straightforward: When you yawn, your mouth gapes open and you inhale deeply, finishing with a short exhalation. During this time, the muscles around your skull contract and stretch and you take in ambient air.