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Brain-Chapter 1
Brain parts, neuron, & neurotransmitters
| Question | Answer |
|---|---|
| This is a neurotransmitter secreted by the sympathetic nervous system throughout the body to regulate heart rate and blood pressure. | Norepinephrine |
| This is a neurotransmitter which is important in producing sleep, reducing anxiety, and forming memories. | GABA |
| a pea-sized conical mass of tissue behind the third ventricle of the brain, secreting a hormonelike substance in some mammals | pineal gland |
| This neurotransmitter is released by neurons connected to voluntary muscles and by neurons that control the heartbeat. | Acetylcholine |
| This neurotransmitter is involved in many functions including mood, appetite, and sensory perception. | Serotonin |
| These are short chains of amino acids which are synthesized in the cell body. | Peptides |
| These are important agents of protection and adaptation. | Hormones |
| Substances that are necessary for the development, function, and survival of specific groups of neurons. | Trophic factors |
| This is a gaseous neurotransmitter | Nitric oxide |
| These convey the chemical message of a neurotransmitter from the cell membrane to the cell's internal biochemical machinery. | Second messengers |
| The myelin sheath is made by these specialized cells. | Glia |
| The long, less branched part of the neuron which usually has a myelin sheath | Axon |
| This part receives messages and transmits them toward the cell body | Dendrite |
| The space between two neurons | Synapse |
| The brain's chemical messengers | Neurotransmitters |
| This consists of the pons, medulla oblongata, and the cerebellum | Hindbrain |
| This lobe helps process visual information, including recognition of shapes and colors. | Occipital |
| This lobe is involved with sensory processes, attention, and language. | Parietal |
| This lobe is responsible for initiating and coordinating motor movements and for higher cognitive skills, such as problem solving, thinking, planning, and organizing. | Frontal |
| It is the largest part of the human brain. | Cerebrum |
Created by:
cvillah
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