Sorry for the delay. Things should go a little faster from here on out, partially because I put my nose to the grindstone and spent about eight hours yesterday knitting small intestines.
Remove stitch marker, K5, replace marker.
*K1 Shiny White, K11 Placid Pink, K1 Shiny White (FROM THE OTHER END OF THE SKEIN - DO NOT CARRY THE WHITE YARN BEHIND THE PINK STITCHES), K11 Placid Pink*
*-* = "base row"
Repeat base row 13 times.
Working exclusively with white, *K1, K2tog 5 times, K1.*
Pick up the unworked white strand and work * to * again, then K7.
Pick up the first white strand and K7.
*With pink, K in front and back of next five stitches, K1 pink, K1 white, repeat from * once more. (this will make a lot more sense after you've done it a couple of times. Basically, you're doing a decrease row with white, knitting one row, then doing an increase row with pink to get back to the regular number of stitches.)
Knit base row 13 times.
Repeat from ** 11 more times, pausing occasionally to lightly stuff the intestine with polyfil. Switch to size 8 needles and knit another 5 repeats, for a total of 17 sections.
K 8 basic rows,
K1 white, K8 pink, K3 sts onto waste yarn, slip these sts back to the left needle and knit again with pink, finish as per basic row and K 4 more basic rows.
Knit 1 white, K5 pink. Cut white yarns leaving two short tails. Finish stuffing the colon, tie the two white ends together and tuck inside. Cut the pink yarn, leaving about a 5' tail and thread onto a tapestry needle. Fold the tube so that the yarn tail comes out the right edge and the dpns are parallel. Weave together ten stitches (five from the needle in front and five from the needle in back, 14 sts remaining).
Knit the next two stitches on the front needle (one of these should be the central white stitch), then place them on a stitch holder. Place the next two stitches from the back needle (including the other white stitch) on the holder as well. Knit five stitches.
Weave together the remaining stitches as before.
Transfer the four stitches on the stitch holder to a dpn and knit 1 1/2" of I-cord (still using the cut yarn tail).
K2tog twice, slide sts to other end of needle, K2tog, thread the yarn end through the last loop, pull it tight and use the tapestry needle to thread the tail back through the I-cord, hiding it and softening the point of the appendix. Trim the yarn end.
The finished appendix.
The finished colon.
Don't worry about the three funny colored stitches: they will be the opening to the small intestine.