When carbon dioxide is released from the cells, it is carried in the blood in all of these forms EXCEPT ? a. bound to hemoglobin
b. dissolved in plasma
c. carbonic acid
d. as bicarbonate ions

when you rub, you also apply pressure, that pressure can urge the poop to come out. i think that when your rubbing, you also might be slightly breaking it up and that can further fill the stomach.  

i think he will be okay, id probably take the dog to the vet just incase

answerbps;