Assertion: penis | /r/HasProperty | corpora cavernosa
Facets:
Source sentences:
text: The human penis obtains its bone-like firmness by blood filling and inflating the spongy tissue within the two erectile cylinders of the penis (corpora cavernosa), similar to air inflating the tire of a car.
text: There are two spongy chambers in the penis known as corpora cavernosa.
text: There are two chambers inside your penis known as the corpora cavernosa.