State THREE Differences Between Open And Closed System Of Circulation. - NABTEB QUESTION

OPEN SYSTEM CIRCULATION	CLOSE SYSTEM CIRCULATION
Heart not chambered	Chambered heart
Few short blood vessels for a short distance and for a while	Blood flows in long vessels all the time
Blood flows into coelum for some time	Blood remains in vessels throughout
No capillaries	Presence of complex network of capillaries
Organs are bathed by blood	Organs are supplied with blood by vessels

State THREE differences between open and closed system of circulation. – NABTEB QUESTION