The human ear
Chapter 1
The outer and middle ear
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Chapter 2
The inner ear and the brain
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Chapter 3
The balance system
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Chapter 4
Hearing health and sound limits
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YOUR GOAL
Master of The human ear
Ch 4 · Hearing health and sound limits
teacher Fluid in the loops, fluid in the loops, Keeping us steady, yeah, fluid in the loops!
Fun Fact
Quietest place: The quietest room on Earth, Microsoft's anechoic chamber, is so quiet you can hear your own heartbeat.
Glossary
decibel (noun)
A unit used to measure the intensity of a sound. The World Health Organization warns that sounds exceeding 85 decibels can cause permanent inner ear damage.
A unit used to measure the intensity of a sound. The World Health Organization warns that sounds exceeding 85 decibels can cause permanent inner ear damage.
Quiz
Approximately how much faster does sound reach the closer ear compared to the further ear?