Whales of the Silver Bank - Blow Holes/Blows

spinning head breach The blowholes are equipped with nasal plugs, which remain closed until forced open by respiratory contractions. Humpback whales are voluntary breathers where we are involuntary breathers. During inhalation a humpback will fill its lungs to capacity and when exhaling they will expel 90% of their air supply each breath. This blast of air will exit their blowholes at over three hundred miles per hour. It is believed that humpback whales can hold their breath up to 40 minutes.

 

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