Give the difference between open and closed system of circulation. | Filo
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Class 11

Biology

Human Physiology

Body Fluids and Circulation

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Give the difference between open and closed system of circulation.

Solution:
  Open system of circulation Closed system of circulation
 1It is present in lower organisms, eg., cockroach. It is present in higher organisms, eg., human.
 2In this system blood flows through open spaces thus, blood is in direct contact with tissue fluids.In this system blood flows through closed system of blood vessels thus, blood is in indirect contact with tissue fluids.
 3In this system, blood pressure is low hence, this system is less active than closed system of circulation.

In this system, blood pressure is high hence, this system is more active than open system.
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