31. The electrogenic organ is derived from anterior body musculature and lines the body cavity . 32. Organisms can be also classified according to the type of body cavity they possess. 33. In these species, the single fused ovary releases eggs directly into the body cavity . 34. They parasitize the body cavities , tissues and ovaries of both marine and freshwater fishes. 35. Stuff body cavity and neck cavity of the chicken with some of the apple-raisin stuffing. 36. The gonads are in the body cavity and sperm passes out with the exhalent water. 37. Various parasites infest phoronids'body cavities , digestive tract and tentacles. 38. The instilled solution keeps organs in a body cavity afloat and separate from each other. 39. It is also an acoelomate, having no body cavity . 40. Materials are moved about the body cavity by cilia.
