Which of the following statement(s) about hormones is/are true?

The correct options are
A

They are called chemical messengers.

B

They help in proper growth and development of the body.

D

They are carried by the blood.

A hormone is a chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Hormones are carried by the blood to various specific target sites within the body. They are essential for the body but are secreted in very small quantities. To attain proper growth and development, our body needs optimum quantities of different hormones. They are called chemical messengers because they carry information from endocrine glands to various parts of the body.