Pavlov's studies proved that the only effective stimulus for dogs to secrete saliva is to see or smell food.
A. True
B. False
Question 2
The following characterize the large intestine in dogs and cats:
A. It is relatively long
B. Its principle nutrition-related role is the absorption of water and salts
C. It contains high concentrations of bacteria
D. All of the above
E. B and C above