The xyphoid process or xiphoid process is a small bony extension to the sternum[?] which must be avoided, for example, when administering chest compressions[?] as in CPR.
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... first to have the title of "Tyrant" was Pisistratus in 560 BC.
In modern times Tyrant has come to mean a dictator who rules with cruelty.
Bullying is a ...