Final answer:
Enzymes do signal the pancreas and gall bladder to secrete digestive substances into the small intestine. Hence the correct answer is option A
Step-by-step explanation:
True
Enzymes do signal the pancreas and gall bladder to secrete digestive substances into the small intestine. The pancreas secretes digestive juices containing enzymes that help to digest fats, carbohydrates, and proteins. The gall bladder releases bile, which is made by the liver and aids in the digestion of fats.
Hence the correct answer is option A