Earthworm presentation - Download as a PDF or view online for free
The document summarizes the anatomy and physiology of earthworms. It describes their external anatomy, as well as major internal systems including nervous, digestive, circulatory, excretory, respiratory, reproductive, muscular and skeletal. Key points are that earthworms have a segmented tube-shaped body, a closed circulatory system with blood containing hemoglobin, a hydrostatic skeleton made of fluid-filled chambers, and specialized sensory receptors allowing them to detect touch, vibrations and light. The document also provides reasons for studying earthworm anatomy, such as for education, disease research, and environmental applications like vermicomposting.
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