The endocrine system
The endocrine system
The endocrine system is a network of glands that coordinates processes in the body. An endocrine gland produces hormones and secretes them directly into the blood.
Step-by-step lessons on Edexcel GCSE Biology 7.1.1 Endocrine glands and hormone transport. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.