BAT Bets on Vaping as Tobacco Giants Battle With New Devices. Trailing Philip Morris International Inc. in the contest to move smoking alternatives beyond e-cigarettes is just fine with British American Tobacco Plc. According to Kingsley Wheaton, head of BATâs next-generation products, longer-established electronic smokes hold more promise than the heat-not-burn technology pioneered by its main rival.
Fear or excitement causes signals to travel to the hypothalamus, which triggers a rapid heartbeat, faster breathing, widening of the pupils, and increased blood flow. The hypothalamus monitors blood glucose levels and the body's water content to regulate appetite for food or drink.
The endocrine or hormonal system and the nervous system are the two major control systems of the body, and their functions are interrelated. Hormonal activity is mostly concerned with regulating metabolic activities by controlling the rates at which chemical reactions take place within cells, the transport of substances across the cell membrane, and activities related to growth and reproduction.