Question

what are the bodys two systems of internal communication? A: Digestive and Endocrine systems) B: Nervous and Respiratory system) C: Respiratory and Endocrine systems) D: Endocrine and Nervous systems

Answer 1

Answer: D

Step-by-step explanation:

If I'm correct, the endocrine system is associated with communicating signals through release of hormones. The nervous system is also responsible for sending between the brain and the rest of the body.