Biology GCSE
internal environment
What internal environment means in Biology GCSE, as defined for OCR.
Definition of internal environment
Check what you remember
Read the wording for your board, then hide it and explain internal environment in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The internal cellular and tissue fluid conditions that are regulated to remain constant and stable despite external fluctuations.
Topics that use internal environment
- Maintaining internal environments (OCR GCSE)
Related terms
- antagonistic hormones
- antidiuretic hormone
- blood glucose regulation
- Bowman's capsule and ultrafiltration
- collecting duct permeability
- dehydration
- Glucagon
- glycogen
Using internal environment in the exam
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