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Home Q & A Board Biology-Related Homework Help General Biology
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Tatu Tatu
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6 years ago
During swallowing, the _____ covers the entrance to the larynx. This structure is identified and labeled as letter _____
  in the above diagram.
 
  a. epiglottis; E
  b. pharynx; B
  c. glottis; C
  d. epiglottis; C
  e. trachea; E

Question 2

Frogs differ from other land vertebrates in that _____.
 
  a. the circulatory system does not play a role in respiration
  b. lungs take in oxygen but do not release carbon dioxide
  c. the respiratory surface is in their gills
  d. they do not possess lungs
  e. they take in oxygen through lungs but release carbon dioxide from gills
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Kennykeen15Kennykeen15
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