![]() Flatworms spend most of their time searching for food. The flatworm has two eyespots that can only sense light. The worm also has a simple brain called ganglia. A flatworm has a simple nervous system with two nerve cords that runs down the sides of the worm. The flatworm's excretion of food is out of its mouth. When the flatworm is done searching for food the throat is pulled back inside the mouth. A flatworm searches for food with a flexible tube that is formed as the throat pushes out of the mouth. The cilium covers the belly of the flatworm. The flatworm moves by the means of two layers of muscles in its body wall and cilia which they have thousands of them. The flatworm is basically a layer of tissue that has a muscular, reproductive, and water and salt regulating systems. They all have flattened bodies that are shaped like broad leaves. The color of the flatworm is a very dark brown and the stomach with a thin pale line. They also have a flattened cross section that is less than 2mm thick. The adult flatworm is around 40-65 mm long and 4-7 mm wide from the head to the tail.
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