Why the blood vascular system of leeches is also called haemocoelomic system? Write its details.
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Why the blood vascular system of leeches is also called haemocoelomic system? Write its details.
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In leeches, there is no true blood vascular system, the
coelomic space and fluid have been modified to form the
circulatory system. Hence, it is called haemocoelomic
system and the coelomic fluid is called haemocoelomic
fluid. Blood is red due to the presence of respiratory
pigment haemoglobin or erythrocyanin found dissolved
in the plasma. Free amoeboid blood corpuscles are
present, but there are no red blood corpuscles.