Hormonal influence on puberty
A Chemical messenger produced in glands and carried by the blood to specific organs in the body. is a chemical substance, produced by a An organ or tissue that makes a substance for release, such as a hormone. and carried by the blood, which alters the activity of specific target organs (and is then destroyed by the liver).
Different hormones affect different organs or cells.
Chemical messenger produced in glands and carried by the blood to specific organs in the body. are involved in the control of the onset of The physical changes a child鈥檚 body goes through when developing into an adult., Recurring series of events in the human female reproductive system., and sperm production.