Encounter emergency for example, can direct exciting adrenalin mixes sympathetic system go armour adrenalin, in its at the same time nerve ending proper motion secretes similar substance, bring the body into play to make response quickly.

 
  • 例如碰到緊急情況,交感神經(jīng)系統會(huì )直接刺激腎上腺素和去甲腎上腺素,同時(shí)在其神經(jīng)末梢自行分泌類(lèi)似的物質(zhì),調動(dòng)身體迅速作出反應。
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