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心臟動作電位，動畫。 (Cardiac Action Potential, Animation.) - VoiceTube 看影片學英語. Watch on. 影片播放. The heart is essentially a muscle that contracts and pumps blood. It consists of specialized muscle cells called cardiac myocytes. The contraction of these cells is initiated by electrical impulses, known as action potentials.
Endurance training, in particular, has been shown to send the body into an acute inflammatory state that, over time, can damage the heart. 尤其耐力訓練已經證實會使身體達到激動狀態，時間一久就會傷害心臟。. Of course, none of this should serve as deterrent to exercise, unless you're running marathons every week ...
酒精成癮長期下來的影響包含心肌的營養不良和損壞、胃潰瘍和胃炎等胃病、肝硬化致使肝臟失去排解血液中的毒素或是處理營養素的功能。 Other medicines interact negatively with alcohol so any side medication can be harmful .
