Why do we need to maintain a constant internal environment?Video

Organisms can only function if their internal conditions are kept within a specific range. This is called homeostasis. The endocrine system secretes hormones for homeostasis to occur.

Part ofCombined ScienceThe human body - Staying alive

Greg Foot explains the role of the hormone ADH on the permeability of the kidney tubules - regulating the water levels in the body

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Why do we need to maintain a constant internal environment?

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