[Oh. Interesting. Certainly a nice place to live at.]
If you've ever gotten water up your nose, it's not very pleasant. Or having a bad cold and having to blow your nose to clear it.
When whales surface for air, they expel air through the blowhole. That clears out any water or mucus that might be caught in it. Then they breathe deeply and store air before diving again.
[Voice]
If you've ever gotten water up your nose, it's not very pleasant. Or having a bad cold and having to blow your nose to clear it.
When whales surface for air, they expel air through the blowhole. That clears out any water or mucus that might be caught in it. Then they breathe deeply and store air before diving again.