A. Nervous system
B. Endocrine system
C. Respiratory system
D. Both A and B
The correct answer to the question: "In animals coordination is achieved by means of?" is "Both A and B".
A. Nervous system
B. Endocrine system
C. Respiratory system
D. Both A and B
The correct answer to the question: "In animals coordination is achieved by means of?" is "Both A and B".
