WebNov 15, 2010 · The flatworm is typically rust-colored and thin and it has no skeleton or formal respiratory system. The flatworm is considered the simplest of all worm groups. … WebJul 30, 2024 · Flatworms have an excretory system with a network of tubules throughout the body with openings to the environment and nearby flame cells, whose cilia beat to direct waste fluids concentrated in the tubules out of the body. The system is responsible for the regulation of dissolved salts and the excretion of nitrogenous wastes.
Trematoda - Wikipedia
WebAnnotated classification. There is no unanimity concerning the classification of platyhelminths. The following classification should be considered provisional.. Phylum Platyhelminthes (flatworms) Flat, unsegmented worms; gastrovascular cavity and respiratory, skeletal, and circulatory systems absent; excretion by means of flame-bulb … WebPlanaria are flatworms that live in fresh water. Their excretory system consists of two tubules connected to a highly branched duct system. The cells in the tubules are called flame cells (or protonephridia ) because they have a cluster of cilia that looks like a flickering flame when viewed under the microscope, as illustrated in Figure 2a. ready computer model
Excretory systems in flatworm, earthworms and vertebrates
WebFlatworms have an excretory system with a network of tubules attached to flame cells, whose cilia beat to direct waste fluids concentrated in the tubules out of the body through excretory pores. The system is … WebThe mesoderm layer allows them to develop organ systems. For example, they have muscular and excretory systems. The muscular system allows them to move from place to place over solid surfaces. The excretory system lets them maintain a proper balance of water and salts. Flatworms also show cephalization and bilateral symmetry. WebApr 20, 2014 · Excretory systems in flatworm, earthworms and vertebrates Have an excretory system called a Protonephridia. During filtration the cilia beats water and … how to take a screenshot in tibia