WebFeb 21, 2024 · The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth. ... In a way, the Fish Respiratory system is similar to the human respiratory system. However, at the same time it is not. Fishes breathe through their gills, taking in dissolved oxygen ... WebAug 20, 2024 · Insects and spiders have respiratory organs called tracheae, while fish have gills as sites for gas exchange. Humans and other mammals have a respiratory system with specialized respiratory organs and tissues. In the human body, oxygen is taken into the lungs by inhalation and carbon dioxide is expelled from the lungs by …
Lungfish - Breathing, physiology & evolution Britannica
WebExchange of gases in fish is very efficient because of: the large surface area of the gills … WebEvolution of the Dogfish Shark Respiratory System The respiratory systems of fish must be adapted to the limited supply of oxygen available in the water and the high density of the medium. Because of the density of water and limited supply of oxygen, respiration requres large amounts of energy. ... The shark obtains efficient gas exchange ... hanna myllymäki
Gas Exchange - Physics - Diffusion Barrier
Fish gills are organs that allow fish to breathe underwater. Most fish exchange gases like oxygen and carbon dioxide using gills that are protected under gill covers (operculum) on both sides of the pharynx (throat). Gills are tissues that are like short threads, protein structures called filaments. These filaments have many functions including the transfer of ions and water, as well as the exchange of oxygen, carbon dioxide, acids and ammonia. Each filament contains a capillary net… WebThese pressures determine the gas exchange, or the flow of gas, in the system. … WebJun 8, 2024 · gill: a breathing organ of fish and other aquatic animals spiracle: a pore or opening used (especially by spiders and some fish) for breathing Skin and Gills There are various methods of gas exchange … hanna myrin