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Chemistry

TermDefinition
Regulation the way your body controls its internal environment (another word for homeostasis)
Irritability Ability to respond to stimuli
Impulse is the action potential of a axon of a neruon
Stimulus something that causes a change in the environment which results in a change in an organism to which a response will occur.
Response action resulting from the stimulus.
Receptor a body part that receives a stimulus (eye, skin, eardrum, etc.) - they contain a LOT of nerves close to the surface of your body!
Neuron cell that carries messages through the nervous system (a nerve cell)
Effector body parts that respond to nervous system command. They can be muscles or glands.
Cell body contains the NUCLEUS and other organelles. It is the site for metabolic activities.
Dendrites hair-like structures, which receive impulse(s) first.
Cell body contains the NUCLEUS and other organelles. It is the site for metabolic activities.
Axon long thin structure that carries impulse away from cell body to an EFFECTOR (muscle or gland) or other neurons.
Meninges is the largest. It has a right and left HEMISPHERE and CONVOLUTION (folds).
Cerebrum means “LITTLE BRAIN “. It too has a left and right hemisphere and convolutions. Itmaintains BALANCE (equilibrium) and controls all voluntary and some involuntary movement.
Cerebellum region of the brain that coordinates body movements
Medulla oblongata part of brain connected to spinal cord; monitors basic, involuntary body functions – breathing, circulation, etc. ; processes involuntary reflexes such as coughing, vomiting, blinking
Central nervous system (CNS) Brain and spinal cord
Peripheral nervous system (PNS) All of the parts of the nervous system, except for the brain and spinal cord
Meninges three layers of connective tissue in which the brain and spinal cord are wrapped
Neurotransmitter(s) are brain chemicals that allow transmission of signals from one neuron to another.
Created by: 1009727
 

 



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