After picking good book, it is systemic heart investment review.

选好书之后，就是全身心投入复习。

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They have one main heart, called the systemic heart, and two smaller hearts located near their gills.

它们有一个主心脏叫系统心脏，还有两个心脏要小点且位于腮附近。

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Systemic scleroderma is a involving skin, bones and joints, digestive, respiratory, heart, kidney, and other systems, multi-organ disease.

系统性硬皮病是一种累及皮肤、骨关节、消化道、呼吸道、心、肾等多系统、多器官的疾病。

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And switching from cigarettes to snus eliminates the risk of heart disease, lung cancer and the other systemic diseases related to smoking.

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