Hormones are chemical messengers that control many body functions, and hormones are produced and released by the endocrine system . Given these facts, which body system releases chemical messengers that control many body functions among the following options:
- athletes
 - acetic acid
 - sweating
 - Endocrine system
 - heat or cold
 - Electrical energy
 - Veins and arteries.
 - sensory neurons


 

    Endocrine system     