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Ch. 16B
Flashcards to review for the Ch. 16 Brain Quiz
| Question | Answer |
|---|---|
| a cell that transfers an impulse | Neurons |
| a series of neurons that receives a stimulous and causes the body to react | reflex arc |
| a space between the axon and the dendrite | synapse |
| an involuntary reaction or response to a stimulus | reflex |
| brain and spinal cord | central nervous system |
| branches filled with cytoplasm that pick up stimuli and conduct impulses towards cell body | dendrites |
| carries impulses away from the cell body | axon |
| carries impulses toward the cell body | dendrite |
| carry the impulses away from the cell body | axon |
| chemical messages released into the synapse | neurotransmitters |
| controls consciousness, primary body movements; site of personality and reasoning | frontal lobes of cerebrum |
| Differences between axons and dendrites | 1. axon longer 2. axon carries impulse away from cell body 3. Usually only on axon but multiple dendrites |
| essential in maintaining muscle tone and coordinating normal movement and balance | cerebellum |
| have dendrites and axons,communicate through electrochemical processes, contain some specialized structures and chemicals. | neurons... |
| helps to control heart beat, breathing and other involuntary activities | brain stem |
| interprets impulses for sound and stores sound memories | temporal lobe of cerebrum |
| junction between a neuron's axon terminal and a second cell | synapse |
| largest part of brain | cerebrum |
| outer layer of cerebrum made of cell bodies of neurons; called gray matter. | cerebral cortex |
| part of brain that deals with general sensations of pain, pressure, temperature, touch and part of taste | parietal lobe of cerebrum |
| part of brain that interprets impulses for vision and stores visual memories | occipital lobe of cerebrum |
| part of the brain through which instructions are passed on the way to the muscles; can be trained so that all aspects of movement do not need to be consciously controlled | cerebellum |
| part of the neuron that contains the nucleus and other organelles | cell body |
| sense organs ( eyes,ears, tongue ,nose ), nerves. | peripheral nervous system |
| the 2nd largest portion of the brain | cerebellum |
| transmit impulses away from the brain and spinal cord | motor neurons |
| transmit impulses toward the brain and spinal cord | sensory neurons |
| connect sensory and motor neurons | interneurons |
Created by:
Mr.JFoster
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