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Author Question: Which structure prevents the entrance of food into the trachea? A) tongue B) epiglottis C) ... (Read 97 times)

Marty

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on: Aug 21, 2018
Which structure prevents the entrance of food into the trachea?
 A) tongue
  B) epiglottis
  C) cardiac sphincter
  D) larynx

Question 2

When a person hyperventilates and blows off CO2, what effect does this have on pH?
 A) lowers it
  B) raises it
  C) does not alter it significantly
  D) delays any changes in it


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sailorcrescent

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Reply #1 on: Aug 21, 2018
Answer to Question 1

B

Answer to Question 2

B


Marty

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Reply 2 on: Aug 21, 2018
Great answer, keep it coming :)

Liddy

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Reply 3 on: Yesterday
Wow, this really help

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