2 sentences

1. 适当的运动可以促进身体的血流。

   shì​dàng de yùn​dòng kě​yǐ cù​jìn shēn​tǐ de xuè​liú.

   Proper exercise can promote blood flow in the body.

   Source: Dong Chinese Dictionary

2. 血管内皮细胞在调节血流方面起着关键作用。

   xuè​guǎn nèi​pí xì​bāo zài tiáo​jié xuè​liú fāng​miàn qǐ zhuó guān​jiàn zuò​yòng.

   Vascular endothelial cells play a key role in regulating blood flow.

   Source: Dong Chinese Dictionary