Term
|
Definition
| Sensory, heat,cold, touch and pain |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| maintAining posture and balance |
|
|
Term
|
Definition
| sense of hearing and smell also memory |
|
|
Term
|
Definition
| pathway between messages between spinal cord and other parts of the brain |
|
|
Term
|
Definition
| most complex and largest pArt of brain, site of most conscious and intelligent activites |
|
|
Term
|
Definition
| surround cellbody, carry impulses toward the cellbody, receive impulses from other nerves |
|
|
Term
|
Definition
| transmits impulses from dendrites to axon contains nucleus |
|
|
Term
|
Definition
| Carry impulses from cellbody to terminal end impulses travel 248 mph |
|
|
Term
|
Definition
| Connects to the muscle gland (thread like extension of nerve) |
|
|
Term
|
Definition
| fatty material that insulates axon speeds up impulses |
|
|
Term
|
Definition
|
|
Term
|
Definition
| all other nerves found in nervous system other then brain and spinal cord, senses, muscles and glands |
|
|
Term
|
Definition
| nerve cells that send and receives electrical messages to and from the brain |
|
|
Term
|
Definition
| carry impulses from sense organs to the spinal cord and brain for interpretation |
|
|
Term
|
Definition
| carry impulses from the brain and spinal cord to muscles and glands |
|
|
Term
|
Definition
| connect sensory and moter neurons and carry impulses between them. Found in the brain |
|
|
Term
| How are neurons different from other body tissues? |
|
Definition
| Neurons can't replace themselfs, if the cellbody of a neuron is damaged the cell dies |
|
|
Term
|
Definition
| Cellbody, dendrites, axon |
|
|
Term
|
Definition
| largest most complex part of nervous system, weighs 3 lbs |
|
|
Term
|
Definition
the largest most complex part of the brain,
Divided into 2 halfs-
Right hemisphere- imagination, visual thinking, spatial, relationship form
Left hemisphere- language, logic, calcultion, analysis and critical thinking |
|
|
Term
| Each hemisphere has 4 lobes |
|
Definition
Frontal
Ponteal
Occipital
Temporal |
|
|
Term
|
Definition
second largest part of brain, has 2 hemisphere
Function:
Concerned with maintaining posture and balance and coordinating skeletal muscle movement
Recieves impulses from:
From the balance organs of the inner ear from muscles |
|
|
Term
|
Definition
a 3 inch long stalk of nerve cells and fibers that connects spinal cord to the rest of brain
Functions:
Pathway for messages traveling between Other parts Of the brain and spinal cord, connects with 10 of the 12 parts of nerves and controls music functions such as breathing, heart beat and Gage reflexes |
|
|
Term
|
Definition
contains vital control centers that regulate heart beat, breathing, blood pressure
And digestion, controls centers for swallowing, tounge movements, and sneezing |
|
|
Term
|
Definition
| Pathway for nerve impulses In and out of cerebrum relAys sensory info from ear, face and teeth |
|
|
Term
|
Definition
| controls eye movement and size and reaction if the pupils |
|
|
Term
| PNS has 2 main subdivisions |
|
Definition
automatic nerves systems- responsible for controlling inudtory functions of the body,
2 divisions of automatic nerves systems--
Sympathetic nervous system and parasympathetic nervous system
2. Somatis nervous system: involves voluntary responses |
|
|
Term
|
Definition
Pipils dialate
Senses sharpen
Hairs stand upon end
Cardio-vascular system leaps into action pumps 5 gallons of blood
Respiratory system, breathing speed up
Blood vessels to the kidney and digestive system shut down
Blood to skin contstrics reducing potential blood loss
Endorphins, body's natural pain killers |
|
|
