muscular system

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Red Bellied Watersnake
I photographed this fellow at Ginny Springs in Florida. How can snakes swim without any fins or legs?

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I was recently sick, with a headache, sore throat, and a fever. Why do we get fevers?

How Does a Butterfly Fly?

swallowtail butterfly

In a recent video, we dissected a roast chicken, seeing how the muscles connected to bones to power its wings. This time, we are going to explore a very different arrangement for flight by examining the flight of insects. Since insects have their skeletons on the outside of their bodies, the way their muscles move their bodies is very different from the muscle arrangement for those of us who have out bones on the inside.

To try this, you will need:

Bird Bones

One of the important ways that we learn about anatomy is by dissection. The word "dissection: may make you think of dead frogs in bottles of preservative, but you probably dissect things frequently. You just don't think of it as dissection. Instead, you think of it as dinner.

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