Weba. Only 1 germ layer, the ectoderm, that differentiates into 2 tissue layers. b. 2 germ layers, ectoderm & mesoderm. c. 2 germ layers, endoderm & mesoderm d. 2 germ layers, … WebAlso, the anus is absent. And there is no true stomach structure. In a few species, the digestive system is completely absent. Respiratory and circulatory systems are absent. In fact, the respiration generally occurs by simple diffusion through the body surface. The flame cells help in excretion. The excretory system has protonephridia with the ...
Phylum Platyhelminthes Biology for Majors II - Lumen Learning
WebJun 8, 2024 · 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 … WebApr 9, 2024 · Figure 41.3. 2: In the excretory system of the (a) planaria, cilia of flame cells propel waste through a tubule formed by a tube cell. Tubules are connected into branched structures that lead to pores located all along the sides of the body. The filtrate is secreted through these pores. In (b) annelids such as earthworms, nephridia filter fluid ... different type of os in windows \u0026 linux
Phylum Platyhelminthes Biology for Majors II - Lumen Learning
WebA plasma cell with intensely eosinophilic—flaming—cytoplasm containing glycoprotein globules; flame cells were regarded as specific for IgA myelomas, but also occur in Waldenström’s macroglobulinemia and African trypanosoma leptomeningitis near clustered neutrophils in which it is similar, but membrane-bound WebJun 18, 2024 · This also leads to an increase in blood pressure and GFR. This mechanism is known as the Renin-Angiotensin mechanism. Question 11. Name the following: A chordate animal having flame cells as excretory structures. Cortical portions projecting between the medullary pyramids in the human kidney. A loop of capillary running parallel … WebJan 25, 2024 · As a result, these organisms are also known as flatworms. The size of the members of this phylum range from a single-cell to around 2-3 feet long. This article … form factory fitness club vinohradská