Exam 44: The Nervous System

In early vertebrates,the principal component of the brain which is devoted largely to coordinating motor reflexes was the

The process in which impulses jump from node to node is called

A shift in the membrane potential toward the positive direction and exceeding the threshold causes a(n)

The nervous system that regulates activity in smooth muscle,cardiac muscle,and glands of the body is referred to as the _____________ system.

Impulses are conducted by myelinated axons by jumping from node to node in a process called a(n)