I started a thread a while back about modding the most complex human body ever.
That's obviously going to be obsolete because of the new upcoming release - but I'm releasing what I got - included in the Samurai Fortress mod - so you could have something to play with until February.
Add
creature_standard:
[BODY:HUMANOID:2EYES:2EARS:NOSE:HUMANOID_JOINTS:HUMANOID_COMPLEX:5FINGERS:5TOES]
body_default:
[BODY:HUMANOID_COMPLEX]
[BP:LDELT:left deltoid][CON:LUA_J]][INTERNAL][SMALL]
[BP:RDELT:right deltoid][CON:RUA_J][INTERNAL][SMALL]
[BP:LPECT:left pectoral][CONTYPE:UPPERBODY][INTERNAL][SMALL][LEFT]
[BP:RPECT:right pectoral][CONTYPE:UPPERBODY][INTERNAL][SMALL][RIGHT]
[BP:LBIC:left bicep][CON:LUA][INTERNAL][SMALL]
[BP:RBIC:right bicep][CON:RUA][INTERNAL][SMALL]
[BP:LTRIC:left tricep][CON:RLUA][INTERNAL][SMALL]
[BP:RTRIC:right tricep][CON:RUA][INTERNAL][SMALL]
[BP:LCALF:left calf][CON:LUL][INTERNAL][SMALL]
[BP:RCALF:right calf][CON:RUL][INTERNAL][SMALL]
[BP:LQUAD:left quadricep][CON:LUL][INTERNAL][SMALL]
[BP:RQUAD:right quadricep][CON:RUL][INTERNAL][SMALL
[BP:RABD:right abdominal muscles][CONTYPE:LOWERBODY][INTERNAL][SMALL][RIGHT]
[BP:LABD:left abdominal muscles][CONTYPE:LOWERBODY][INTERNAL][SMALL][LEFT]
[BP:CRANIUM:skull][CONTYPE:HEAD][INTERNAL][SKELETON][SMALL]
[BP:MANDIBLE:jaw][CONTYPE:HEAD][INTERNAL][SMALL][SKELETON]
[BP:RCLAVICLE:right clavicle][CONTYPE:UPPERBODY][RIGHT][INTERNAL][SMALL][SKELETON]
[BP:LCLAVICLE:left clavicle][CONTYPE:UPPERBODY][LEFT][INTERNAL][SMALL][SKELETON]
[BP:RSCAPULA:right scapula][CON:RUA_J][INTERNAL][SMALL][SKELETON]
[BP:LSCAPULA:left scapula][CON:LUA_J][INTERNAL][SMALL][SKELETON]
[BP:RHUMER:right humerus][CON:RUA][INTERNAL][SMALL][SKELETON]
[BP:LHUMER:left humerus][CON:LUA][INTERNAL][SMALL][SKELETON]
[BP:RRAD:right radius][CON:RLA][INTERNAL][SMALL][SKELETON]
[BP:LRAD:left radius][CON:LLA][INTERNAL][SMALL][SKELETON]
[BP:RULNA:right ulna][CON:RLA][INTERNAL][SMALL][SKELETON]
[BP:LULNA:left ulna][CON:LLA][INTERNAL][SMALL][SKELETON]
[BP:RFEMUR:right femur][CON:RUL][INTERNAL][SMALL][SKELETON]
[BP:LFEMUR:left femur][CON:LUL][INTERNAL][SMALL][SKELETON]
[BP:RTIBIA:right tibia][CON:RLL][INTERNAL][SMALL][SKELETON]
[BP:LTIBIA:left tibia][CON:LLL][INTERNAL][SMALL][SKELETON]
[BP:RFIBU:right fibula][CON:RLL][INTERNAL][SMALL][SKELETON]
[BP:LFIBU:left fibula][CON:LLL][INTERNAL][SMALL][SKELETON]
[BP:RRIB:right ribcage][CONTYPE:UPPERBODY][INTERNAL][SKELETON][SMALL][RIGHT]
[BP:LRIB:left ribcage][CONTYPE:UPPERBODY][INTERNAL][SKELETON][SMALL][LEFT]
[BP:RPATELLA:right patella][CON:RLL_J][RIGHT][INTERNAL][SMALL][SKELETON]
[BP:LPATELLA:left patella][CON:LLL_J][LEFT][INTERNAL][SMALL][SKELETON]
[BP:PELVIS:pelvis][CONTYPE:LOWERBODY][SKELETON][SMALL][INTERNAL]
[BP:STERN:sternum][CONTYPE:UPPERBODY][SKELETON][INTERNAL][SMALL]
[BP:HLIVER:liver][CONTYPE:UPPERBODY][INTERNAL][SMALL]
[BP:HSTOMACH:stomach][CONTYPE:LOWERBODY][INTERNAL][SMALL]
[BP:HPANCREAS:pancreas][CONTYPE:LOWERBODY][INTERNAL][SMALL]
[BP:HSPLEEN:spleen][CONTYPE:LOWERBODY][INTERNAL][SMALL]
[BP:HRKIDNEY:right kidney][CONTYPE:LOWERBODY][INTERNAL][SMALL][RIGHT]
[BP:HLKIDNEY:left kidney][CONTYPE:LOWERBODY][INTERNAL][SMALL][LEFT]
[BP:DIAPHRAGM:diaphragm][CONTYPE:UPPERBODY][INTERNAL][SMALL][BREATHE]
[BP:DDENUM:duodenum][CONTYPE:UPPERBODY][INTERNAL][SMALL]
[BP:AAORTA:abdominal aorta][CONTYPE:UPPERBODY][INTERNAL][SMALL][CIRCULATION]
[BP:ESOPHAGUS:throat][CONTYPE:HMOUTH][THROAT][EMBEDDED][SMALL]
[BP:UINTEST:upper intestine][CONTYPE:LOWERBODY][GUTS][INTERNAL][SMALL]
[BP:LINTEST:lower intestine][CONTYPE:LOWERBODY][GUTS][INTERNAL][SMALL]
[BP:GENITALS:genitalia][CONTYPE:LOWERBODY][INTERNAL][SMALL]
[BP:BLADDER:bladder][CONTYPE:LOWERBODY][INTERNAL][SMALL]
[BP:APPENDIX:appendix][CONTYPE:LOWERBODY][INTERNAL][SMALL]
[BP:GALLB:gall bladder][CONTYPE:LOWERBODY][INTERNAL][SMALL]
[BP:HRLUNG:right lung][CONTYPE:UPPERBODY][BREATHE][INTERNAL][SMALL][RIGHT]
[BP:HLLUNG:left lung][CONTYPE:UPPERBODY][BREATHE][INTERNAL][SMALL][LEFT]
[BP:HMOUTH:mouth][CONTYPE:HEAD][MOUTH][SMALL][EMBEDDED][APERTURE]
[BP:HHEART:heart][CONTYPE:UPPERBODY][CIRCULATION][INTERNAL][SMALL]
[BP:BRAIN1:forebrain][CON:CRANIUM][THOUGHT][INTERNAL][SMALL]
[BP:BRAIN2:midbrain][CON:CRANIUM][THOUGHT][INTERNAL][SMALL]
[BP:BRAIN3:hindbrain][CON:CRANIUM][THOUGHT][INTERNAL][SMALL]
[BP:HNECK:neck][CONTYPE:HEAD][NERVOUS][INTERNAL][SMALL][SKELETON]
[BP:HUPPERSPINE:upper spine][CONTYPE:UPPERBODY][NERVOUS][INTERNAL][SMALL][SKELETON]
[BP:HLOWERSPINE:lower spine][CONTYPE:LOWERBODY][NERVOUS][INTERNAL][SMALL][SKELETON]
It's not quite finished - hand and foot muscles were never modeled but oh well. Feel free to add onto it as you wish and include it in your own mods- just add credit.