The Islets of Langerhans are:

Glucagon hormone is secreted by

Match different cells of Islets of Langerhans in Column-$I$ with their role in Column-$II$. Select the correct answer from the options given below.

Column-$I$	Column-$II$
$A$. Alpha cells	$I$. Stimulates muscles for glycogenesis.
$B$. Beta cells	$II$. Decreases gastric secretions and absorption in digestive tract.
$C$. Delta cells	$III$. Inhibits the release of pancreatic juice.
$D$. $F$ cells	$IV$. Stimulates liver for glycogenolysis.

In the pancreas,the secretion of pancreatic juice and hormones is performed by:

Which cells of the pancreas secrete the hormone insulin?

Which of the following are the symptoms of hypersecretion of insulin?
$I$. Hypoglycemia $II$. Sweating $III$. Irritability $IV$. Glycosuria
Select the correct combination: