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| | Seal at exZOOberance! |
 | | Seal muscles also store oxygen, and the spleen, an organ that stores oxygen-rich blood, is exceptionally large in seals, serving as a kind of biological scuba tank. |
 | | The Baikal seal inhabits Lake Baikal in southern Russia, believed to be the deepest lake in the world, and the Caspian seal lives in the vast Caspian Sea in southwestern Asia. |
 | | Even though the hunting of seals is now much less intense than in the past, threats from pollution, especially oil spills, and the accumulation of marine debris such as lost or discarded fishing line and nets still cause many deaths among seals. |
| www.exzooberance.com /virtual%20zoo/they%20swim/seal/seal.htm (2652 words) |
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