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| The brain is made up of about _____ neurons. |
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Definition
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Term
Neurons are similar to other cells in the body in some ways such as:
1. Neurons are surrounded by a ___.
2. Neurons have a _____ that contains ___.
3. Neurons contain cytoplasm, mitochondria and other "____". |
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Definition
1. membrane
2. nucleus, genes
3. organelles |
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Term
neurons differ from other cells in the body in some ways such as:
1. Neurons have specialized projections called ___ and ___. ____ bring information to the cell body and ___ take information away from the cell body.
2. Neurons communicate with each other through an _____.
3. Neurons form specialized connections called "_____" and produce special chemicals called "______" that are released at the synapse. |
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Definition
1. dendrites, axons; dendrites, axons
2. electrochemical process
3. synapses, neurotransmitters |
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Term
| It has been estimated that there are ____ synapses in the human brain. |
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Definition
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Term
| The adult human brain weighs between ___ g and ___ g (about _ lbs). |
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Definition
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| A newborn human brain weighs between ___ and ___ g. |
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Definition
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Term
| Accidents, lesions, electroencephalogram, computerized axial tomography, magnetic resonance imaging, positron emission tomography, and functional MRI are all ways of studying the ___ |
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Definition
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