This diagram covers Visual: The Endocrine System within Human Endocrine System for GCSE Biology. Topic 4: Human Endocrine System It is section 4 of 11 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.
Practice questions for Human Endocrine System
Which gland is known as the 'master gland' because it controls other endocrine glands?
Compare how the nervous system and the endocrine system coordinate responses in the body. [3 marks]
Quick recall flashcards
What is the endocrine system?
The endocrine system is a network of glands that produce and release hormones directly into the bloodstream. Hormones travel to target organs to trigger a response.
What is a hormone?
A hormone is a chemical messenger produced by a gland, released into the blood, and carried to a target organ where it causes a response.