Question

Which of the following statements about chemical communication is true?

• A. The signal reaches all parts of the body.
• B. Regardless of nervous communications, the impulse is transmitted persistently and steadily.
• C. The compounds or hormones used for this communication show a great deal of diversity.
• D. All of these.

Answer 1

The correct option is D

All of these.

A, B and C are correct statements about chemical coordination.