A normal heart rate is 60 to 100 beats per minute at rest. Ventricular tachycardia is a regular, faster-than-normal heart rate that begins in the heart's lower chambers.
Umami (pronounced oo-MAH-mee) has been called the fifth taste, joining the traditional quartet of salty, sweet, bitter and sour. The word umami derives from the Japanese umai, which roughly translates as deliciousness [source: Umami Information Center]. Chefs have described it as everything from delicate and subtle to earthy, musty and mushroom-like [source: Ninomiya].
Greek mnÄmosunÄ is derived from the root *mnÄ-, an extended form of the Greek and Indo-European root *men-, to think.. This is the root from which English also gets the words amnesia (from Greek), mental (from Latin), and mind (from Germanic).