Assertion: nitrogen | /r/HasProperty | excreted in urine
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Nitrogen balance can be calculated by comparing nitrogen consumed to nitrogen excreted in urine (and then adjusting for other less substantial forms of nitrogen loss - skin, feces, sweat, hair, etc.).
text: Nitrogen is usually excreted through the urine, so nitrogen levels in the body are often measured using a urea nitrogen test of urine.