The fundamental physiological properties that enable nerve cells to communicate with other cells are:
a. the ability to respond to environmental changes.
b. the ability to produce electrical signals that are quickly conducted to other cells at distant locations.
c. the ability to secrete a chemical that will stimulate the next cell when an electrical signal reaches the end of a nerve fiber.
d. The first and second choices are correct.
e. The first, second, and third choices are correct.
