Subject	sodium ion
Predicate	affect
Object	heart rate
Modality	Modality Occurrences some[subj/sodium and potassium ions affect heart rat] 1
Polarity	POSITIVE
Plausibility	0.7995
Neighborhood Sigma	0.8193
Local Sigma	0.8212
Example Sentences	Sentence Occurrences Source sodium and potassium ions affect heart rate 2 Google Autocomplete sodium ions affect heart rate 6 Google Autocomplete