Term
|
Definition
Receive Stimulation from receptors that detect internal and external changes. |
|
|
Term
|
Definition
Includes a cell body dendrites, and an axon.(Functional Unit). |
|
|
Term
|
Definition
Sodium ions move in depolarizing the membrane. |
|
|
Term
|
Definition
Diffuse outward, repolarizing the membrane. |
|
|
Term
|
Definition
All the impulses conducted on an axon are of the same strength. conduct impulses more rapidly. |
|
|
Term
|
Definition
Is facilitated when it receives subthreshold stimuli and becomes more excitable. |
|
|
Term
|
Definition
Are automatic, subconscious responses to changes. |
|
|
Term
|
Definition
|
|
Term
|
Definition
Surround the brain and spinal cord. |
|
|
Term
|
Definition
Has thirty-one segements that gives rise to a pair of spinal nerves. (31 pairs of spinal nerves originate from the spinal cord). |
|
|
Term
|
Definition
Consists of 2 cerbral hemispheres connected by the corpus callosum. |
|
|
Term
|
Definition
Usually dominates for certain intellectual functions. |
|
|
Term
|
Definition
In the wall of the ventricles secrete cerebrospinal fluid. |
|
|
Term
|
Definition
Contains the thalamus, hypothalamus, which maintains homeostasis. |
|
|
Term
|
Definition
Produces emotins and modifies behavior. |
|
|
Term
|
Definition
Consists of the midbrain, pons, and medulla oblongata. |
|
|
Term
|
Definition
Filters incoming sensory impulses, wakefulness when significant impulses arrive. |
|
|
Term
|
Definition
Coordination of skeletal muscel movement and the maintenance of equilibrium. |
|
|
Term
The Autonomic Nervous System |
|
Definition
Functions woithout concious effort. It regulates the visceral activities that maintain homeostasis. |
|
|
Term
|
Definition
Responds to stressful and emergency conditions. |
|
|