A Chemical substance produced in the body that controls and regulates the activity of certain cells or organs . Many hormone are secreted by special glands, such as thyroid hormone produced by the thyroid gland .
2. INTRODUCTION :-
HORMONE:-
A Chemical substance produced in the body
that controls and regulates the activity of
certain cells or organs .
Many hormone are secreted by special glands,
such as thyroid hormone produced by the
thyroid gland .