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The muscles in the body wall of an earthworm are

 

Option: 1

Horizontal

 


Option: 2

Circular

 


Option: 3

Longitudinal

 


Option: 4

Both b and c


Answers (1)

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Anatomy of Earthworm - Body Wall -

Anatomy of Earthworm - Body Wall

  • The outermost layer of the body wall of an earthworm is thin and non-cellular layer called cuticle.
  • The cuticle is followed by the epidermis. It is made up of a single layer of columnar epithelial cells in which secretory gland cells are also present.
  • Below the epidermis, there are two muscular layers present. The outer one is circular and the inner one is longitudinal.
  • The muscular layer is followed by innermost coelomic epithelium called the peritoneum.
     

- Below the epidermis, there are two muscular layers present. The outer one is circular and the inner one is longitudinal.

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