The first is an automatic, metabolic system whose control is centered in the brain stem.

第一种是自发的新陈代谢系统，它的控制集中在脑干上。

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It is capable of ignoring or overriding the automatic, metabolic system and produces an irregular pattern of breathing.

它能忽略或凌驾于自动的新陈代谢系统之上，并产生不规则的的呼吸模式。

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During sleep the automatic metabolic system is less responsive to carbon dioxide levels and oxygen levels in the blood.

在睡眠期间，自动的新陈代谢系统对血液中二氧化碳和氧气的含量反应并不灵敏。

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Dr.Damiano says the system restores, as nearly as possible, the body's delicate metabolic balance.

VOA: standard.2010.04.15

About half of all liver disease is alcohol related, a third is caused by viral hepatitis and the remainder due to immune system dysfunction, metabolic disorders and inherited diseases.

CNN: Love your liver to live longer

The firm plans to invest in three main areas: cancer, metabolic diseases like diabetes and obesity, and diseases of the central nervous system such as Alzheimer's, depression and schizophrenia.

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