Crayfish

1. respiratory organ of the crayfish
5. Chambered muscular organ that pumps blood maintaining the flow of blood through the entire circulatory system
7. wrapped around the stomach and absorbs partially digested food
8. receives food from the mouth, digests it, then moves it to the intestine
10. large muscle that fills most of the space of the abdomen attached to inner surface of exoskeleton
11. carries blood from the heart to the abdomen
12. large claws that the crayfish uses for defense and to capture prey

1. organ that produces gametes, especially a testis or ovary
2. create water currents and function in reproduction
3. An appendage adapted for walking, the outer most (chelipeds) have pincers called chela
4. For balance, touch, and taste
6. Assists with swimming
9. for touch, taste, and smell