circulatory
Protective : claws, shell, fat, epidermis + dermis
Integumentary system
cardiac, skeletal, smooth (organs)
muscular system
Shell
Skeletal system
nostrils, pharynx, trachea, two bronchi
Respiratory system
(immune) No lymph nodes, spleen
Lymphatic system
thyroid (heart), thymus (each side of neck), adrenal (on kidney)
Endocrine system
pharynx, esophagus, liver, gallbladder, stomach, pancreas, small intestine
digestive system
spinal cord, nerves, brain
nervous system
waste, kidney, bladder, urethra
excretory system
heart, blood vessels, three chambers
circulatory system
eggs, uterus (underneath pubic bone)
reproductive system
