HB-077 · Endocrine · Assembly
Endocrine glands overview
Also called: hormone glands Systema endocrinum
3D data + schematic Classes 6-8 · Classes 9-10 · Classes 11-12 Beginner Draft - educator review
3D is not available on this device, so a picture of the model is shown instead.
Parts: hypothalamus; pituitary; pineal; thyroid; parathyroids; thymus; adrenals; pancreas; ovaries/testes
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About
Endocrine glands release hormones into the blood to control growth, metabolism, stress and reproduction.
- 📍 Where it is
- Hypothalamus and pituitary in the brain, thyroid in the neck, adrenals on the kidneys, pancreas, gonads and others.
- 🧱 Structure
- Ductless glands richly supplied with blood.
- ⚙️ What it does
- Slow, long-lasting chemical control and coordination of body functions.
💡 Key facts
- The pituitary is called the "master gland".
- Hormones travel in the blood to target cells.
- Iodine is needed to make thyroid hormone.
✗ Hormones act instantly like nerves
✓ Most act more slowly but last longer.
📒 Words to know
- hormone
- chemical messenger in the blood
- gland
- organ that secretes substances
- target cell
- cell that responds to a hormone
🏫 Related lessons
- Control and coordination Classes 9-10
Generic GayaGnan topic lessons. Check your own board's syllabus for the exact chapter.
🔎 Sources and credits
Catalog description: Body map of major hormone-producing glands.
- OpenStax Anatomy and Physiology 2e, ch. 17 (endocrine system) (accessed 2026-10-30)
- 3D models: BodyParts3D (DBCLS) and the Human Reference Atlas (HuBMAP), CC BY 4.0, with GayaGnan schematics. 3D model credits
For learning only. This site does not give medical advice, diagnosis or treatment, and it does not collect any health data.