What is happening when a whale spouts water from its blowhole? Is it ejecting water from its lungs, or is it a result of exhaling which turns the water on the blowhole into an aerosol? Thanks for any info. Tara clearing water from the top of the nostrils that spilled in. body moisture like we have in our breath and nostrils. There is no connection between the mouth and respiratory system in a cetacean. That's why they are never required to learn the Heimlich.