Body Wall of Earthworm Short Notes

In this article we will discuss about the body wall of earthworm

Body Wall of Earthworm

• Body wall is the protective cover of the body and also helps in respiration and movements
• Body wall is composed of four layers
  1. Cuticle: Outermost, thin, non-cellular and made up of collagen fibre
  2. Epidermis: Made up of columnar epithelium, It contain secretory glands cells and sensory cells
  3. Muscular layer: Circular and longitudinal. These help in movement
  4. Coelom: filled with alkaline whitish fluid, It consists of water, salts, proteins and granulocyte
• Functions of body wall
  • Maintains the shape of the body
  • Protects the body from mechanical injuries
  • Body wall provides protection from harmful germs

You may also like: –

• Earthworm Morphology Short Notes
• Body Wall of Earthworm Short Notes
• Earthworm Digestive System Short Notes
• Earthworm Circulatory System Short Notes
• Earthworm Nervous System Short Notes
• Earthworm Excretory System Short Notes
• Earthworm Reproductive System Short Notes

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