I forgot to mention another highlight of the day - we opened up Sparky's abdominal cavity in lab and it was awesome. Cooler than the thoracic cavity. We saw the stomach, liver, kidneys, spleen, small intestine, large intestine, adrenal glands, pancreas, gall bladder (it's green!), and a lot more that I can't think of. We also looked at his reproductive system again and went over to Lucky (Sparky's next door neighbor) to look at her reproductive anatomy (not as cool as Sparky's, I must admit...we concluded that Lucky sucks. She's fat, too). So yeah, anyway, that was neat. :)