Question

Here are a few statements about the endocrine system in man. State whether each of them is true or false. If the statement is false write the correct statement.
i) Endocrine system controls and co-ordinates the physical process of growth,reproduction and sustenance of life.
ii) Endocrine glands are duct bearing glands which secrete chemical substances called hormones.
iii) The pancreas is a dual gland.
iv) Malfunctioning of the thymus gland causes goitre.

Answer 1

i) Endocrine system produces hormones that are responsible for most of the physical and mental well-being. Hence, the statement is true.

ii) Endocrine glands are ductless glands. They secrete hormones directly into the blood. The statement is false.

iii) Pancreas is called a dual gland as it produces hormones that means act as an endocrine gland and also secretes enzymes i.e act as an exocrine gland. The statement is true.

iv) Enlargement of the thyroid gland causes goiter. Hence, the statement is false.