Roger Bouillon. A calcified skeleton was a very successful innovation for early vertebrates that enabled the solid implantation of teeth and improved mobility, as well as providing a calcium reservoir ...

Reviewed by Felix Gussone, MD. Key Takeaways: Hormones control essential processes like growth, metabolism, mood, and ...

Reference Type I diabetes occurs when the pancreas stops producing insulin. Here's a look at causes, symptoms and treatment of the disease.

Medically reviewed by Michael Menna, DO Key Takeaways The circulatory system carries oxygen and nutrients throughout the body and removes waste.The lymphatic system helps fight disease by creating and ...

Whilst the effect of the microbiome on the digestive system has been studied over the past decade, the understanding of its effect on the endocrine system is less well understood. The endocrine system ...