abdomen

alimentary system

anatomy

belly

biology

body

bowel

diarrhea

digestion

digestive system

eat

enzyme

food

gastric glands

gastrointestinal tract

growl

gurgle

gut

human

hungry

inside

intestinal

intestine

murmur

organ

pepsin

rumble

stomach

systema digestorium

tummy

viscera

viscus

gastric gland