2. (1) External Parts
• Carapace:
– Hard, red outer shell
– Exoskeleton to protect internal organs
• Chelipeds:
– Large pincher-claws
– Used to grab prey
• Maxillipeds:
– Smaller arms near mouth.
– Used to shove food into mouth.
• Swimmerets:
– Tiny, feather like legs (along belly)
– Used to grasp during sex.
3. External Parts (Cont’d)
• Antennae:
– Long stalks along top of head.
– Sensory reception.
• Gills:
– White, feathery like layers along sides of head.
– Absorb oxygen from water (for breathing).
4. (2) In The Head
• Encephalon:
– Fleshy bit, Directly inside head, by eyes.
– (Brain) Control all other organs + respond.
• Green Gland:
– 2 small flesh-sticks on either side of eyes.
– Secrete enzymes needed to digest food.
• Stomach:
– Sack full of bony teeth.
– Directly behind head in center.
– Breaks apart food.
5. (3) Chest & Abdomen
• Heart:
– Light brown flap behind stomach, along back.
– Pump + circulate blood across organs.
– Open Circulatory System = No blood vessels,
organs bathe in blood.
• Intestine:
– Skinny tube leaving stomach.
– Absorb nutrients and excrete waste.
