Assertion: killer whale's blowhole | /r/AtLocation | top of their heads
Facets:
value: like all cetaceans
type: OTHER
value: to allow easier breathing process
type: PURPOSE
Source sentences:
text: But instead of breathing through their mouth, they breathe through their nostrils, called blowholes, located on top of their heads.
text: Like all cetaceans, this blowhole is located on top of the head to allow easier breathing process.
text: Orcas breathe air at the surface of the water through a blowhole located near the top of the head.
text: They have blowholes (modified nostrils) located on top of their heads, through which air is taken in and expelled.