Answers

  • Brainly User
2014-08-08T19:08:36+05:30
A chemical substance  produced in the body that controls and regulate the activity of certain cells or organs. many hormones are secreted by special glands,such as thyroid hormone produced by the thyroid gland
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  • Brainly User
2014-08-08T19:08:48+05:30
Hormones are the secretions of endocrine glands . They are chemicals and act as the body's chemical messengers. They transfer information and instructions from one set of cells to another . Hormones level can be influced by factors such as stress infection and changes in the balance of fluid and minerals in the blood.
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sure
will u mind if i ask ur age?
14
and i am srry for my first comment
u can send me frnd request as i cant sent coz m not able to open any profile