transverse tubule system

例句：

1. 1. The kidneys are responsible for filtering waste products from the bloodstream.
   肾脏负责过滤血液中的废物。
2. 2. The transverse tubule system plays a crucial role in maintaining fluid balance in the body.
   横管系统在维护身体液体平衡中起着至关重要的作用。
3. 3.In the transverse tubule system, water is reabsorbed by the renal cortex.
   在横管系统中，肾皮质通过再吸收水分来维持体液平衡。