arterin

例句：

1. 1. The heart's arteries carry blood to the rest of the body.
   心脏的动脉将血液输送到身体的其他部位。
2. 2.Blood vessels are essential for carrying oxygen and nutrients to the body's cells.
   血管对于输送氧气和营养物质到身体细胞至关重要。
3. 3.Arteries are narrower than veins, allowing less blood to flow through them.
   动脉比静脉更窄，允许的血流较少。