How does communication in the endocrine system differ from communication in the nervous system?
A. Communication in the nervous system is slower than communication in the endocrine system.
B. Communication in the endocrine system is slower than communication in the nervous system.
C. Endocrine system cells can receive messages but cannot transmit messages.
D. While both inhibitory and excitatory messages can be transmitted by cells in the nervous system, endocrine system cells can transmit only excitatory messages