Monday, June 15, 2009
Search: dolphin skeleton
Why: Dolphin flippers have 5 digits and the nearly the same bone structure as the human hand.
Answer: Like this:
The More You Know: The ribs of dolphins are delicate and not strongly attached to the spine or to the breastbone. The ribs are said to be "floating." The ones that are attached are usually joined, enabling the ribcage to collapse under the pressure of a deep dive without damage. Also, dolphins have no hair or sweat glands.