vascular vessel

例句：

1. 1. Blood vessels are responsible for transporting oxygen and nutrients to the body's cells.
   血管负责将氧气和营养物质输送到身体细胞。
2. 2. The heart is avascular organ that pumps blood throughoutthe body.
   心脏是一个循环器官，负责将血液泵送到全身。
3. 3. Vascular diseases can leadto serious health problems if leftuntreated.
   如果不治疗，血管疾病可能会导致严重的健康问题。