endocrine system

例句：

1. 1. The endocrine system plays a crucial role in regulating body temperature.
   内分泌系统在调节体温方面起着至关重要的作用。
2. 2.The study of the endocrine system is essential for understanding human health.
   研究内分泌系统对于理解人类健康至关重要。
3. 3.The endocrine system is responsible for producing hormones that regulate various bodily functions.
   内分泌系统负责产生激素，以调节各种身体功能。