Comment Comment by tromp Just comparing size:> The human brain is about 1,350 grams, three times larger than our big-brained relative, the chimpanzee. A sperm whale or killer whale brain can be 10 kilograms. parent tromp 4 years ago
> The human brain is about 1,350 grams, three times larger than our big-brained relative, the chimpanzee. A sperm whale or killer whale brain can be 10 kilograms.