Assertion: bladder | /r/CapableOf | allow the flow of urine
Facets:
value: into the urethra
type: TRANSITIVE-OBJECT
Source sentences:
text: When the bladder fills with urine stretch receptors send nerve impulses to the spinal cord, which then sends a reflex nerve impulse back to the internal sphincter valve at the neck of the bladder that causes it to relax and allow the flow of urine into the urethra.