Edexcel A level Biology : topic 1- 4: what is the function of valves?

Question

what is the function of valves?

seremi amune · Accepted Answer

prevents the backflow of blood
they only open one way
if pressure is higher behind the valve it opens and if pressure is higher in front of the valve it is closed

Edexcel A level Biology : topic 1- 4

What is the function of valves?

Prevents the backflow of blood they only open one way if pressure is higher behind the valve it opens and if pressure is higher in front of the valve it is closed

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