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Name: Utsav
Status: student
Grade: 9-12
Location: Outside U.S.
Country: New Zealand
Date: Summer 2012
Question:
How can whales hold their breath for longer? That is, what adaptations they have. This is about the sperm whale in particular.


Replies:
One adaptation in particular is that sperm whales have very high levels of the oxygen-storage protein myoglobin in their muscles.

Richard E. Barrans Jr., Ph.D., M.Ed. Department of Physics and Astronomy University of Wyoming

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