excretory tubule

例句：

1. 1. The kidneys are responsible for filtering waste products from the blood and excreting them through the excretory tubules.
   肾脏负责过滤血液中的废物并通过排泄管排出。
2. 2. The doctor advised him to drink more water and avoid foods that cause constipation, as these could potentially block the excretory tubules.
   医生建议他多喝水，避免那些可能导致便秘的食物，因为这些可能会阻塞排泄管。
3. 3. The patient's urine was tested for any abnormalities in the excretory tubules, which might indicate a problem with his kidney function.
   患者尿液被检测是否有异常，这可能表明他的肾功能有问题。