Which of the following are the two main systems for communication and control in most animals?
A) digestive system and circulatory system
B) circulatory system and nervous system
C) nervous system and endocrine system
D) endocrine system and circulatory system

Question

Quizplus · Accepted Answer

The nervous system and endocrine system are the two main systems for communication and control in most animals. The nervous system provides rapid, short-term control through nerve impulses, while the endocrine system offers longer-term control through hormones released into the bloodstream.

Which of the Following Are the Two Main Systems for Communication