Neurons
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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| What are the past theories to explain functions of the mind? | show 🗑
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| show | A scientist who worked on "silver staining"
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| show | Came up with theories and improvements to staining methods
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| What are Neurons? | show 🗑
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| show | 80-100 billion
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| show | Throughout the body with the highest concentration in the brain regions
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| What makes up a neuron? | show 🗑
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| Cell Body | show 🗑
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| show | Receives messages from other cells
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| Axon | show 🗑
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| show | Electrical signal traveling down the axon
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| show | Form junctions with other cells
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| show | Covers the axon of some neurons and helps speed neural impulses
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| show | A very small space that separates the terminal buttons of one neutron from the dendrites of another
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| show | Chemicals that are released by pores in the terminal buttons of neurons
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| show | They can either excite or inhibit
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| Excite | show 🗑
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| show | Reduce the likelihood that the second neuron releases its neurotransmitters
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| How do neurons know when to release neurotransmitters? | show 🗑
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| show | An all-or-none signal that is propagated along the axon of the neuron and involves a flow of positive and negative charged ions along the length of the axon
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| show | Activation (excitation/inhibition), Reuptake, and Diffusion/Metabolized
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| Activation | show 🗑
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| Reuptake | show 🗑
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| show | The neurotransmitter can be broken down, washed away, or used up by other cells and enzymes that are located in the synapse
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| Glia(l) Cells | show 🗑
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| show | Acetylcholine (Ach), Dopamine (DA), and Serotonin (5-HT)
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| show | Released at every motor neuron at the skeletal muscle synapses.
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| show | Poison blocks ACh release from sending neurons, causing paralysis
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| How is Black Widow Venom related to ACh? | show 🗑
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| Dopamine | show 🗑
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| show | Schizophrenia and hallucinations
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| What is associated with low levels of Dopamine? | show 🗑
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| Serotonin | show 🗑
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