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cool

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This body system is responsible for the exchange of gases between the blood and the external environment.
 
  A) respiratory
  B) endocrine
  C) digestive
  D) nervous

Question 2

Fluorescein is a bright purple dye used to highlight corneal abrasions.
 
  Indicate whether the statement is true or false



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Mochi

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Answer to Question 1

A
Explanation: The respiratory system is composed of the nose, pharynx, larynx, trachea, and lungs.

Answer to Question 2

False





 

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