Assertion: kidney | /r/CapableOf | filter urea
Facets:
Source sentences:
text: The kidneys filter the wastes, including urea, salt and excess water, which are flushed out of the body as urine.
text: The Circulatory System: The circulatory system has a connection with the renal system - when blood passes through the kidneys, the kidneys act like the baleen of a whale - they filter out the certain wastes, such as urea, uric acid, & excess water.
text: The baleen acts like the kidneys - that the kidneys will filter our the unwanted wastes, such as urea, uric acid, & excess water, in the same way that the baleen filters out krill for the whale (in this case, the whale would be the rest of the renal system).