4. Small masses of lymphoepithelial tissue are found at the ...

[APUS57]

4. Small masses of lymphoepithelial tissue are found at the lateral aspects of both the oropharynx and the nasopharnyx. In the oropharynx, these are called _______ and in the nasopharynx, they are called _________. They both can become inflamed and swollen due to infection.
 
  A) uvula; sinuses
  B) tonsils; adenoids
  C) sinuses; uvula
  D) adenoids; tonsils

Question 2

2. Once air enters the lungs, oxygen and carbon dioxide are exchanged across the respiratory membrane composed of the alveolar and pulmonary capillary walls in a process called:
 
  A) internal respiration.
  B) external ventilation.
  C) external respiration.
  D) internal ventilation.

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: C

[APUS57]

Gracias!

[Joy Chen]

Excellent