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How the ear works 1

Watch the video and  answer the questions.

 

 

Answer the questions using a, b, or c.

1) Sound waves travel at

a) 11 feet per second

b) 11,000 feet per second

c) 1,100 feet per second

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Answer the questions using a, b, or c.

2) The outer part of the ear where signals are received is called the

a) the ear canal

b) tympanic membrane membrane

c) the eustachian tube

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Answer the questions using a, b, c or d.

3) What is the name of the instrument used by physicians to examine our ears? 

a) Drumstick

b) Otoscope

c) Stethoscope

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Answer the questions using a or b.

4) The tympanic membrane is also known as the drum membrane.

a) True

b) False

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Answer the questions using a or b.

5) The tympanic membrane does not completely shut off the eardrum from the ear canal. 

a) True

b) False

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Answer the questions using a, b, or c.

6) The eustachian tube links the ear canal to the

a) throat

b) brain

c) auditory centre

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Answer the questions using a, b or c.

7) The hardest bony structure in the whole body is part of the temporal bone. 

a) True

b) False

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Answer the questions using a, b or c.

8) The ear is the only sense organ that lies close to the brain. 

a) True

b) False

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Answer the questions using a or b.

9) All soundwaves entering the ear are converted into nerve impulses. 

a) True

b) False

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