Question

7. Nerve cells specialized to receive and conduct electrical impulses are called ______________________. 8. Electrical messages, called ______________________, may travel as fast as 150 m/s or as slow as 0.2 m/s.

Answer 1

7. Nerve cells specialized to receive and conduct electrical impulses are called **neurons**.
8. Electrical messages, called **action potentials** or **nerve impulses**, may travel as fast as 150 m/s or as slow as 0.2 m/s.