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Home Q & A Board Biology-Related Homework Help General Biology
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kq kq
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6 years ago
Nephridia are ____.
  a. circulatory organs
  b. respiratory organs
  c. excretory organs
  d. endocrine organs
  e. part of the nervous system

Question 2

The ____ is an extension of the upper body wall in mollusks.
  a. Radula
  b. Mantle
  c. gill
  d. lung
  e. siphon
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kzabeckzabec
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kq Author
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#2
6 years ago
Thank you Slight Smile
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#3
6 years ago
Pleasure
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