What is 2?

Carapace
What is 3?

Cephalothorax
What is 5?

Rostrum
What is 6?

Compound eye and stalk
What is 7?

Antennule
What is 8?

Antenna
What is 9?

Mandible, first maxilla and second maxilla
What is 10?

First, second, and third maxillapeds
What is 11?

Cheliped
What is 12?

Second and third walking legs
What is 13?

Fourth and fifth walking legs
What is 14?

Swimmerets
What is 15?

Uropod
What is 16?

Telson
What is 18?

Mouth and esophagus
What is 19?

Stomach
What is 20?

“Teeth” in stomach
What is 21?

Stomach
What is 22?

Intestine
What is 23?

Digestive gland
What is 25?

Anus
What is 27?

Gills
This blank card is here for reasons.
Actually no reasons I’m just getting really tired of making these cards.
What is 28?

Heart