( A ) Pancreas is a composite gland which acts as both exocrine and endocrine gland.
( B ) The endocrine pancreas consists of Islets of LangerhansÃ.
( C ) There are about 1 to 2 million Islets of Langerhans in a normal human pancreas
( D ) 1 to 2 million Islets of Langerhans in a normal human pancreas representing 10 to 20 per cent of the pancreatic tissue
