Assertion: nephron | /r/HasProperty | efficient
Facets:
value: very
type: DEGREE
Source sentences:
text: Each nephron is extremely efficient
text: It should be noted that although the nephron is very efficient (it reabsorbs 90% of the water if need be) it also reabsorbs about 50% of the urea so it is incorrect to think that it all goes straight into the urine.