动静脉的

例句：

1. 1. The arteries in the heart carry blood to all parts of the body.
   心脏中的动脉将血液输送到身体的各处。
2. 2. Blood flows through the arteries and veins to deliver oxygen and nutrients to the cells.
   血液通过动脉和静脉流动，为细胞输送氧气和养分。
3. 3. Arteries are responsible for carrying oxygenated blood away from the heart.
   动脉负责将富含氧气的血液从心脏运出。