肾脏肾小球旁体的交感神经支配释放肾素；血管紧张素刺激大脑自主中枢，增加交感冲动发放。

Sympathetic innervation of the juxtaglomerular apparatus in the kidney releases renin; angiotensin stimulates autonomic centers in the brain to increase sympathetic discharge.

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结果低氧高碳酸血症条件下，心交感神经传出冲动发放频率明显增加，心肌耗氧量增加，心肌收缩能力增强。

Results The simulation experiments show that cardiac sympathetic activities, cardiac oxygen consumption and myocardiac contractility increased during hypercapnia hypoxia.

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所以，你有很多的神经元，它们聚集在一起，发放神经冲动，彼此间相互联系。

So, you have neurons and they're clustered together and they fire and they communicate to one another.

youdao

So, you have neurons and they're clustered together and they fire and they communicate to one another.

所以,你有很多的神经元,它们聚集在一起,发放神经冲动,彼此间相互联系

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