Digestive secretions are secreted only when needed. Discuss.

Mucus,hydrochloric acid and digestive juices are secreted by the inner lining of :

Digestive enzymes are secreted in an inactive form in allimentary canal.

Digestive enzymes are secreted in an inactive forms in alimentary canal.

Hormone secreted only during pregnancy is

(i) As a digestive gland, liver secretes what? Where is this secretion stored? Name the enzymes secreted by liver. (ii) Digestive secretion of liver contains which salts? What is their function?

Name the digestive juice secreted by liver?

Fill in the blanks : Digestive hormones secretin and cholecystokinin are secreted in _________.

Which two other digestive enzymes of the same category are secreted by the pancreas?