Organ and Organ Systems in Animals — Bio Zoology STD 11 — Question
Tamilnadu BoardEnglish MediumSTD 11Bio ZoologyOrgan and Organ Systems in Animals2 Marks
Question
Explain the internal structure of the earthworm.
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Answer
The body wall of the earthworm is very moist, thin, soft, skinny, elastic and consists of the cuticle, epidermis, muscles and coelomic epithelium. The epidermis consists of supporting cells, gland cells, basal cells and sensory cells.
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