Circulatory system of earthworm

Circulatory system of earthworm

Circulatory system of earthworm The circulatory or blood vascular system of an earthworm is a closed type. It consists of the blood vessel, heart, capillaries, and blood glands. Blood is composed of fluid plasma and colorless corpuscles. Blood is red in color due to the presence of respiratory pigment hemoglobin (erythrocruorin) in …

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