### 身体能量大致流程
```plantuml
@startuml
skinparam componentStyle rectangle

usecase "心脏" as xin#red;text:white
usecase "肺部" as fei#purple;text:white
usecase "肝脏\n..\n肝糖原" as gan#lightgreen
rectangle "口鼻" as kou
rectangle "遍布全身的组织" as zuzhi1 {
rectangle "线粒体" as xian1{
    usecase "基质" as jizhi
    circle "氢" as qing2
    circle "CO2" as co2
    circle "O2" as yang
    circle "H2o" as h2o
}
rectangle "肌纤维" as ji1
usecase "肌糖元" as jtang
usecase "乳酸" as rsuan
database "脂肪" as fat1
usecase "甘油" as you
usecase "脂肪酸" as suan
usecase "脂酰CoA" as CoA
circle "葡萄糖" as tang
usecase "丙酮酸" as btong
usecase "氢" as qing
}
usecase "遍布全身的组织" as zhuzhi2

kou --> fei:O2
kou <-- fei:CO2
fei -> xin:氧\n静脉
fei <-- xin:CO2\n动脉
xin <-left- gan:糖
xin <-- zuzhi1:静脉\nCO2
xin --> zuzhi1:动脉\nO2糖
ji1 <-up- xian1:供能
tang --> btong
tang --> qing
btong -->jizhi
jizhi --> qing2
jizhi --> co2
jizhi <-left- yang
you --> gan:随血液
yang -left-> h2o
xin -right-> zhuzhi2:O2&糖
xin <-right- zhuzhi2:CO2
jtang -left-> rsuan
rsuan --> gan:随血液
jtang *--* ji1
suan -- gan:随血液
h2o <-up- qing
h2o <-- qing2
fat1 --> suan
fat1 --> you
suan --> CoA
CoA --> jizhi:肉毒碱转运

@enduml
```

70公斤成年人体内肝糖原和肌糖原的平均含量分别为90克和335克。
葡萄糖在真核细胞内氧化分解的即有氧呼吸过程，具体包括三个步骤：第一步,在细胞质基质中葡萄糖分解生成丙酮酸和氢,生成少量的能量.第二步,丙酮酸和氢进入线粒体,在线粒体基质中丙酮酸彻底分解生二氧化碳和氢,生成少量能量,这一步有水参与.第三步,在线粒体内膜上,前两个阶段产生的氢与氧气结合,生成水,同时产生大量的能量。