relatively the same size, however the stomach may be a little bit smaller.
same size.
same as other dogs at that size...
No
No a shark has a bigger stomach
NO.
the same size as your tiny penis
all dogs have the same size heart, that is why larger dogs live shorter than smaller dogs
Their brain size was the same as modern humans.
Selective Breeding
No. Depending on the size of the dog, they need different measurements. The wrong amount will kill them. It takes someone with veterinary training to calculate how much they would need.
ya