Only Whale Experts Can Pass This QUIZ

If whales are oxy-breathing mammals, how do they survive so long underwater?

Retry Correct Incorrect To get the air a whale needs, it will breathe in while surfaced using the blow hole. Then, after the hole closes, it goes back underwater. This all happens rapidly.

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If whales are oxy-breathing mammals, how do they survive so long underwater?

• The whale takes oxygen from the water and comes to the surface to blow out the carbon dioxide.
• Whales open the blowhole when it breaks the surface and closes it before submerging.
• Whales create bubbles underwater with their blowhole to use for oxygen.
• None of these