Planarian Anatomy

A planarian is one of many flatworms of the class turbellaria. Carbon dioxide leaves the cells and travels to the body surface via the same process.

Planarian Wikipedia

Planaria are common to many parts of the world living in both saltwater and freshwater ponds and rivers.

Planarian anatomy. Planaria is the name of one genus but the name planarian is used to designate any member of the family planariidae and related families. Some species are marine others are terrestrial. Anatomy of the planarian characteristics brain ganglia planarian can process information about their environement pharynx used for suckling food in the mouth is at the end of the pharynx eyespot simple eye can detect light.

Transmembrane protein involved in the formation of channels permeable to ions and small molecules. Planaria are commonly called flatworms and many species can be found in many different environments. Most planarians occur in fresh water and are sometimes seen in large masses.

Red planaria are flatworms that can damage coral reefs in. Anatomy of a flatworm. Oxygen enters the body and travels to the animals cells by diffusion.

For example a planarian split lengthwise or crosswise will regenerate into two separate individuals. Planaria exhibit an extraordinary ability to regenerate lost body parts. For example a flatworm called giardia is a common parasite found in contaminated drinking water that if consumed can cause diarrhea and severe dehydration.

Some species are terrestrial and are found under logs in or on the soil and on plants in humid areas. A planarian has a digestive excretory and nervous system but no respiratory or circulatory system.

Planmine Userguide