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This kind of looks like a nose, but it isn’t a nose! An animal does use these holes to breathe though. What animal do you think it is?
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It’s a whale--and this is a blowhole. It's like a nose, but it's on the whale's back! Whales use it to breathe above water.
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Whales hold their breath for about an hour to swim. How long do you think these animals can hold their breath for? Why?
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Gannet birds dive underwater to catch fish! They hold their breath for about a minute. Watch them swim with their wings!
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This is a special type of iguana, a marine iguana. It holds its breath for about 30 minutes while it eats underwater plants!
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Elephants go swimming too, but they don’t need to hold their breath. They just stick their trunks above the water to breathe!
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Caterpillars don’t breathe through their mouths or noses… so how do they breathe? How does air get in their body? Take a guess.
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Caterpillars use tiny holes in the sides of their bodies to breathe! The holes open and close to let in air. (They’re called spiracles.)
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This caterpillar is see-through--you can look inside of it as it breathes! Air goes in the tiny holes and travels through tubes!
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Frogs can breathe through their nose holes (nostrils). But they also sometimes fill up their “cheeks” with air. Why? Take a guess.
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It’s to help them make loud sounds! Different types of frogs use their "air sacs" to make different sounds!
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People can blow bubbles using the air in their lungs. Which animals do you think can blow bubbles?
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This dog learned to blow bubbles in water! This pig is blowing bubbles in mud! But the best bubble-blowers are…
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..dolphins! They use their blowholes to blow bubbles--and the bubbles are shaped like rings!
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Voting for this episode is now closed. Would you like to vote on the most recent poll?

I pulled three questions from my jar. Which question do you want to explore next week?

  • How do solar panels work?

    -Evie, 5th Grade

  • Why does it sometimes hail when it rains?

    -Ariella, 2nd Grade

  • Why don't people fall out of roller coasters when they go upside down?

    -Ethan, 1st Grade

Why do we need blood?

Watch the video to discover the answer and don't forget to vote for next week's question. There are mysteries all around us. Have fun and stay curious!