Identify the uncountable noun in the sentence.
The cow monotonously chewed the grass while the milkman drove the calf away.
Calf
Milkman
Cow
Grass
A milkman is very upset one morning as his cow refuses to give any milk. The milkman's wife gets the calf from the shed. On feeding by the calf, the cow began expressing sufficient milk.
Describe the role of endocrine gland and pathway associated with this response?