Subject	gas exchange
Predicate	take place at
Object	cellular level
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0244
Neighborhood Sigma	0.0248
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source gas exchange take place at the cellular level 1 Google Autocomplete gas exchange take place in the body tissues at the cellular level 1 Answers.com Questions