Platyhelminthes –tapeworm and flat worms
1. Soft-bodied invertebrate animals. They have no body cavity. And no specialized circulatory and respiratory organs, which restrict them to, flattened shapes that allow oxygen and nutrients to pass through their bodies by diffusion. (tapeworm)
2. Infection of the digestive system by adult tapeworms causes abdominal symptoms that are unpleasant but not disabling or life threatening. (tapeworm)
3. They contain rudimentary organ systems such as: a ladder-like nervous system with a small brain and in some cases photosensitive eyespots. A network of flame cells used to sweep nitrogen waste out of the body. (flat worms)
4. Tapeworm infections are usually diagnosed by finding segments which appear as small white worms that may look like grains of rice or seeds in the rear end of a dog, in a dog’s feces, or where a dog lives and sleeps. (dog tapeworm)
5. A fluke is a type of small, parasitic flatworm that feeds on the blood or body of its host. (liver fluke)
Dog tapeworm
Human Tapeworm
Liver Fluke
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