血液是把氧气输送到身体各部分的媒介。
Blood is the medium in which oxygen is carried to all parts of the body.
当你集中注意放松你大脑的各部分时，你的身体也会随之放松的。
When you focus on relaxing all parts of your head your body will follow.
然而，不活动可以导致缓慢而无力的心脏跳动，导致不能充分的向身体各部细胞供血。
However, inactivity can result in a slow and weak heartbeat that does not sufficiently move the blood to provide oxygen for every cell in the body.
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