Academic Kids: Endocrine System
An encyclopedic article explains what the endocrine system is, with links to other articles detailing the various hormones and glands.
Biology4Kids.com: Endocrine System
Introducing kids to one of the most complex systems of the body. A one-page summary of the endocrine system effectively conveys the basics of the system, providing kids with a good first glimpse into the world of hormones.
Kids Health: Endocrine System
Presents information about what the endocrine system is and what it does, including an introduction to hormones and puberty.
KidsBiology.com: Endocrine System
The endocrine system is used for communication throughout your body using the nervous system. Gives easy to understand information about the endocrine system.
Your Endocrine System
Offers an article for kids explaining how the endocrine system produces hormones, which are needed for proper body function and growth.