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bio 5,12,13
ch.s 5,12,13 BIO
| Question | Answer |
|---|---|
| sebaceous glands | are oil glands |
| sudoriferous glands | are sweat glands |
| eruminous glands | ear wax |
| arrector pili | (smooth muscle) cause goose bumps |
| arrector pili | involuntery movement (no control of it) |
| central nervous system | consits of the brain and the spinal cord |
| peripheral nervous system | consits of cranial and spinal nerves that contain both sensory and motor fibers |
| tracts are | white matter |
| posterior | sensory |
| anterior | motor |
| post center | sensory |
| pre cneter | motor |
| Brain | Gray Matter- OutsideWhite Matter- Center |
| Spinal Cord | Gray Matter- CenterWhite Matter- Outside |
| White matter | axons from the neuron cell bodies |
| spinal nerve called | mixed nerve |
| mixed nerves carry | sensory and motor nerves |
| Limbic | "love" |
| Limbic | major role in memory |
| Gray Matter | neuron cell bodies |
| effectors | carry out the final tasks |
| end of spinal cord called... | conos medullaris |
| cerebral cortex is in... | Gray Matter |
| end of spinal cord | L2 OR L4 |
| axons make up ... | white matter |
| ligand | a molecule that binds to a receptor |
| spinal cord is a ... | "highway" |
| ion | charged particle |
| dendrties | recieve information- bring in information |
| negative ion along | inside the cell membrane |
| positive ions along | outside |
| proteins | negative charge |
| amino acids and proteins are | negative charged |
| depolarization | membrane has become more positive (less polarized) |
| hyperpolarization | membrane has become more negative (more polarized) |
| sodium rushes.. | inside the cell and the cell becomes more positive |
| all or none potenial | an action potenial either occurs completely or it does not occur at all |
| depolariztion | sodium rushes in |
| amount of myelination | faster |
| axon diameter | bigger diameter faster speed |
| temperature | body temp. increase-change shape |
| electrical (synapse) | going from cell to cell through electrical junctions |
| presynaptic neuron | sending the signal |
| postsynapic neuron | recieving message |
| calcium | coming into cell |
| postsyanptic neuron | "graded poteinal" |
| excitory | depolarizing postsyanptic potential |
| inhibitory | hyperpolarizing postsynaptic potential |
| schwann cell | making myelin sheath |
| PNS | can repair damaged dendrites or axons |
| CNS | no repairs are possible |
| nissel bodies | represent ribsomoes in RNA |
Created by:
Courtneey
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