Swim fins give you an advantage in swimming by allowing you to swim faster. They help you improve the strength in your legs and your body position. http://swimming.about.com/cs/flippers/a/swim_fins.htm
Whales swim using their fins and tails.
he invented swim fins for his hands
by moving its fins up and down and staying in motion
The exact date of when Benjamin Franklin invented the Swim Fins is unknown.
Yes. Fins, a swim bladder, the composition of their bones, and their muscles all help a fish to swim.
Fish use fins to help them swim better. If you go swimming, you will swim faster, with swim fins, instead of just feet. Fins are better for fish instead of hands.
Fins
You mean the ones they're using to swim with like little arm paddles? Those are the pectoral fins.
they swim fast with many of the dorsal fins.
Answer to swim
with it's fins
It helps them swim.