Big Breathers

Big Breathers

Assessment

Interactive Video

Science, Biology, Health Sciences

6th - 12th Grade

Hard

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The video explains how underwater mammals like whales can hold their breath longer than humans. It introduces Millie, a humpback whale, who inhales significantly more air and uses it more efficiently. Millie absorbs over 90% of the oxygen she inhales due to higher myoglobin levels in her muscles. Additionally, she conserves energy by using fewer muscles, slowing her blood flow and heartbeat, allowing her to dive for up to 20 minutes.

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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