Describe how flatworms maintain water balance
WebFlatworms lack a respiratory or circulatory system; these functions take place by absorption through the body wall. Nonparasitic forms have a simple, incomplete gut; even this is … WebOsmoregulation is the process of maintaining salt and water balance (osmotic balance) across membranes within the body. The fluids inside and surrounding cells are …
Describe how flatworms maintain water balance
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WebOsmotic regulation is the maintenance of the normal concentration of the body fluids; i.e., the total concentration of all dissolved substances (solutes) that would exert osmotic pressure against a membrane impermeable to them. Osmotic regulation controls the amount of water in the body fluids relative to the amount of osmotically active solutes. WebWater and electrolytes are reabsorbed when these organisms are faced with low-water environments, and uric acid is excreted as a thick paste or powder. Not dissolving wastes in water helps these organisms …
http://www.wedgwoodsci.com/uploads/5/9/3/1/5931632/ch27.4_wkst__modified_.rtf WebAug 26, 2010 · Flatworms have an excretory system with a network of tubules throughout the body that open to the environment and nearby flame cells, whose cilia beat to direct …
WebFeb 24, 2011 · The antidiuretic hormone is produced and the kidneys take blood and waste and get water to maintain the balance. How do contractile vacuoles help maintain … Webthem maintain proper water bal-ance. Tell them that water seeps into Dugesia, the flatworm they will study on the next page, like it seeps into a leaky boat. Ask them to suggest …
WebApr 9, 2024 · Describe the way in which flame cells and nephridia in worms perform excretory functions and maintain osmotic balance; ... that divided the metabolic needs of the body, individual organs evolved to perform the excretory function. Planaria are flatworms that live in fresh water. Their excretory system consists of two tubules …
WebDescribe how flatworms maintain water balance. 6. For Questions 7–8, write the letter of the correct answer on the line at the left. 7. A. their bodies are less salty than the water … mead medical high wycombehttp://www.biologyreference.com/Oc-Ph/Osmoregulation.html mead - metheglinWebOsmoregulation means the physiological processes that an organism uses to maintain water balance; that is, to compensate for water loss, avoid excess water gain, and maintain the proper osmotic concentration (osmolarity) of the body fluids. mead metheglinWebDescribe the way in which flame cells and nephridia in worms perform excretory functions and maintain osmotic balance; ... that divided the metabolic needs of the body, individual organs evolved to perform the excretory function. Planaria are flatworms that live in fresh water. Their excretory system consists of two tubules connected to a ... mead monthly desk padWebFlatworm definition, any worm of the phylum Platyhelminthes, having bilateral symmetry and a soft, solid, usually flattened body, including the planarians, tapeworms, and … mead method of adjudication defintionWebThe kidneys can regulate water levels in the body; they conserve water if you are dehydrated, and they can make urine more dilute to expel excess water if necessary. Water is lost through the skin through evaporation from the skin surface without overt sweating and from air expelled from the lungs. mead michaelWebThey pump water into their body through their pores. The water flows through a large central cavity called the spongocoel (see Figure above). As the water flows by, specialized collar cells filter out food particles such as bacteria. Collar … mead mighty mouse