Digestive System of Earth Worm! Alimentary Canal of Earth Worm: The alimentary canal runs as a straight tube throughout the length of the body from the mouth to the anus. It consists of the following regions: 1. Mouth and Buccal Chamber: The mouth is a crescentic aperture lying below the prostomium. The mouth leads into […]
Digestive System of Earth Worm
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Circulatory System of Earthworm
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The blood vascular system of Pheretima is of closed type. It consists of the blood vessels, hearts, loops, capillaries and the blood glands. Blood: The blood of Pheretima is red coloured due to the presence of a respiratory pigment haemoglobin in it. The haemoglobin is not contained in the corpuscles like the vertebrates but it […]
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