Pepsinogen is secreted by

What is the location and function of the gall bladder?

Which is the largest digestive gland of our body?

Give scientific reasons:
$(1)$ The pancreas is an exocrine as well as an endocrine gland.
$(2)$ The liver,although not taking part in the process of digestion directly,is an important accessory digestive gland.

The largest number of cells present in fundic glands are

From the point of ontogeny,the liver is