i think bones are heaviest body parts..
The ostrich, although it was lighter than some extinct species.
Kharma
Easy... Wailord
Wrist Windpipe
same.
arm
Dustin byfuglien (275 pounds)
Their horns and broad foreheads, mainly.
374 pounds!! Isn't that crazy???
ear ear ear ear ear
Chin, chest, cerebellum, calf, cheek...
St. Bernard.- heaviest Great dane largest