Assertion: bottlenose dolphin's blowhole | /r/AtLocation | top of the head
Facets:
Source sentences:
text: Like other whales, dolphins have lungs and breathe through a single nostril called the blowhole located on top of the head.
text: Dolphins breath through a blowhole located on the top of their head.
text: The blowhole is located at the top of their heads and when open, the nasal septum (a cartilaginous partition that separates the right and left airways) became visible.
text: Dolphins breathe through a blowhole located on the top of their heads.