| A | B |
|---|
What view of the Crayfish?,  | Ventral |
What sex is this crayfish?,  | Male |
What sex is this crayfish?,  | Female |
The orange circles on this heart are,  | Ostia |
| The yellow structure is the, | Heart |
| Goes into this structure, | Blood |
| Surrounds this structure, | Sinus |
What color is the digestive system?,  | Yellow |
| What color is the circulatory system?, | Red |
| What color is the nervous system?, | Blue |
| The heart is located on which surface?, | Dorsal |
| The nreve cord is located on which surface?, | Ventral |
| The anus is located, | Posteriorly |
| The mouth is located, | Anteriorly |
| What we eat on the crayfish, | Muscles |
| This part of the stomach contains gastric mill, | Cardiac |
| This part of the stomach leads to the intestine, | Phyloric |
