AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential...
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Transcript of AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential...
![Page 1: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/1.jpg)
AP Biology
Nervous SystemsPart 4
![Page 2: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/2.jpg)
LE 48-12
Hyperpolarizations
Graded potential hyperpolarizations Graded potential depolarizations
5Time (msec)
Restingpotential
43210
Threshold
–100
–50
0
Mem
bra
ne
po
ten
tial
(m
V)
Stimuli
+50
Depolarizations
5Time (msec)
Restingpotential
43210
Threshold
–100
–50
0
Mem
bra
ne
po
ten
tial
(m
V)
Stimuli
+50
Action potential
5Time (msec)
Restingpotential
43210
Threshold
–100
–50
0
Mem
bra
ne
po
ten
tial
(m
V)
Stronger depolarizing stimulus
+50Actionpotential
6
![Page 3: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/3.jpg)
Action potential moving toward the CNS
Cell body
Schwann cell
Depolarized region(node of Ranvier)
Myelinsheath
Axon
![Page 4: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/4.jpg)
Dendrites of the neurons
![Page 5: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/5.jpg)
Summation and the Threshold potential
Hyperpolarizations
Graded potential hyperpolarizations Graded potential depolarizations
5Time (msec)
Restingpotential
43210
Threshold
–100
–50
0
Mem
bra
ne
po
ten
tial
(m
V)
Stimuli
+50
Depolarizations
5Time (msec)
Restingpotential
43210
Threshold
–100
–50
0
Mem
bra
ne
po
ten
tial
(m
V)
Stimuli
+50
Action potential
5Time (msec)
Restingpotential
43210
Threshold
–100
–50
0
Mem
bra
ne
po
ten
tial
(m
V)
Stronger depolarizing stimulus
+50Actionpotential
6
![Page 6: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/6.jpg)
Stimulus receptorsLighttouch
Pain Cold HairHeat
Hairmovement
Strongpressure
Hypodermis
Nerve Connectivetissue
Dermis
Epidermis
![Page 7: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/7.jpg)
Inside the Cochlea
![Page 8: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/8.jpg)
Cochlear Duct
![Page 9: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/9.jpg)
How it all works
• https://www.youtube.com/watch?v=qgdqp-oPb1Q
![Page 10: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/10.jpg)
Balance and the Inner ear
![Page 11: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/11.jpg)
Taste
![Page 12: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/12.jpg)
Smell
![Page 13: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/13.jpg)
How it all works
• https://www.youtube.com/watch?v=WavjbJhiRAE
![Page 14: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/14.jpg)
.Lateral line
Lateral line canal
Epidermis NeuromastOpening oflateral line canal
Scale
Lateral nerveSegmental muscles of body wall
Cupula
Supportingcell
Nerve fiber
Sensoryhairs
Hair cell
![Page 15: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/15.jpg)
Statosyst
Statolith
Sensorynerve fibers
Ciliatedreceptor cells
Cilia
![Page 16: AP Biology Nervous Systems Part 4. LE 48-12 Hyperpolarizations Graded potential hyperpolarizationsGraded potential depolarizations 5 Time (msec) Resting.](https://reader036.fdocuments.us/reader036/viewer/2022062721/56649f1f5503460f94c3780c/html5/thumbnails/16.jpg)
Crane Fly
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.
1 mm
Tympanicmembrane
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Tympanum for hearing