The Liver
The liver is about 5% of body mass and is the largest internal organ in the body. It is one of the main organs involved in homeostasis, is metabolically very active, fast growing and can regenerate itself if over half is lost.

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Key terms in this lesson
- Homeostasis
- The maintenance of a stable internal environment within narrow limits despite changes in the internal or external environment.
- Hepatocyte
- A liver cell, responsible for most of the liver's metabolic functions.
More in Homeostasis
- The Hypothalamus
- Cooling
- Warming Up
- Excretion
- Structure of the Liver
- Carbohydrate Metabolism in the Liver
- Transamination and Deamination
- Detoxification
All 33 lessons in Homeostasis · All OCR A-level Biology topics