Question

hormones are chemical messengers produced by the ______ system that helps in maintaining homeostasis. endocrine urinary nervous cardiovascular

Explanation:

Hormones are secreted by the endocrine system. It plays a crucial - role in maintaining homeostasis by regulating various bodily functions. The urinary system deals with waste - removal, the nervous system with nerve impulses, and the cardiovascular system with blood circulation.

Answer:

A. endocrine