Biology A-Level
Passive valve action governed by pressure differences
What Passive valve action governed by pressure differences means in Biology A-Level, as defined for OCR.
Definition of Passive valve action governed by pressure differences
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Read the wording for your board, then hide it and explain Passive valve action governed by pressure differences in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Valves open and close passively in response to pressure differences across them, not by active muscle contraction of the valve itself.
Topics that use Passive valve action governed by pressure differences
- Transport in animals (OCR A-Level)
Related terms
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- Heart anatomy
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Using Passive valve action governed by pressure differences in the exam
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