Chapter 14 - Coordination and Response : Nervous System 

The pathway by which ________ travel during reflex actions is called a reflex arc.

a change in the environment that causes an organism to react.

Detects the stimulus

________ are classified into voluntary actions and involuntary actions.

________ are branched projections that conduct nerve impulses towards the cell body.

a junction between two neurones or between a neurone and an effector.

are involuntary responses to a specific stimulus.

has a smooth and rounded cell body, a single long dendrite and a short axon.

stimulate the motor end plate and cause the muscle to contract.

________ are actions that are consciously controlled.

The ________ is structurally similar to an axon and is myelinated.

consists of a cell body and a long thin axon covered by a myelin sheath.

actions that cannot be consciously controlled, such as heartbeat, peristalsis, vasoconstriction and reflex actions.

The pathway by which nerve impulses travel during reflex actions