servile adjective. âº âeager to âserve and âplease someone âelse in a way that âshows a âlack of ârespect for yourself: As a âwaiter, you âwant to be âpleasant to âpeople without âappearing servile. (Definition of servile from the Cambridge Academic Content Dictionary Â© Cambridge University Press).
That is a good question. In fact, it is not really known why horse yawn. Some suggestions for this behavior are the following: 1  Change of sleeping, napping and waking state. 2  Physical fatigue. 3  Mental stress.  Release of mental or physical stress. Horses will often yawn after a chiropractor session or massage session.
Yawning is a mostly involuntary process and is usually triggered by sleepiness or fatigue. It is a very natural response to being tired. Yawning is the involuntary process of opening the mouth and inhaling deeply, filling the lungs with air.Some yawns are short, and some last for several seconds before an open-mouthed exhale. Watery eyes, tears, runny rose, stretching, or audible sighs may accompany yawning.t is a very natural response to being tired. Yawning is the involuntary process of opening the mouth and inhaling deeply, filling the lungs with air. Some yawns are short, and some last for several seconds before an open-mouthed exhale. Watery eyes, tears, runny rose, stretching, or audible sighs may accompany yawning.