arm,arms,c
beak,beaks,c
bone,bones,c
brain,brains,c
claw,claws,c
ear,ears,c
eye,eyes,c
face,faces,c
feather,feathers,c
finger,fingers,c
foot,feet,c
hand,hands,c
head,heads,c
heart,hearts,c
jaw,jaws,c
leg,legs,c
liver,livers,c
lung,lungs,c
mouth,mouths,c
muscle,muscles,c
neck,necks,c
nose,noses,c
organ,organs,c
pelvis,pelvises,c
rib,ribs,c
skull,skulls,c
spine,spines,c
spleen,spleens,c
sternum,sternums,c
tongue,tongues,c
tooth,teeth,c
torso,torsos,c
vein,veins,c
wing,wings,c