Once you, or your pet, is responding to acute stress and external stressors, the sympathetic nervous system is activated, mainly because of the unexpected launch of hormones. These hormones stimulate the adrenal glands, triggering the release of adrenaline and noradrenaline, which results in an increase in heart price, blood https://bbs.pku.edu.cn/v2/jump-to.php?url=https://twitter.com/EliquidBoutique/status/1135871465625182208?ref_src=twsrc%5Etfw