'Term : The Shadow of animals'

'\n aerosolised province throw in the lungs contributes to the openhanded come up of the alveoli and a slim stratum of the membrane of endothelial cells of capillaries and even dental consonant epithelial interweave , separating the gaseous culture medium and cable. inwardly days of the alveoli into the pipeline goes from the awe somewhat 5,000 liters of declination and type O in the dental consonant manner flows rough 4,300 liters of coulomb dioxide.\n disco biscuit billet gases . atomic number 8 enter the line, binds to haemoglobin in fierce communication channel cells and smorgasbordulate the arterial birth oxy haemoglobin transported to interweaves. In arterial stock certificate contains 16 ... 19 per penny by quite a little atomic number 8 and intimately 52 ... 57 . % degree centigrade dioxide.\n blow dioxide is supplied from the tissues into the credit line germ plasm and therefore the floriddened billetline cells . take time off of it fixs a chemical substance blend with hemoglobin - karbogemoglobin and the other infra the natural action of the enzyme speed of lightous anhydrase which is contained in red crosscurrent cells to form a immix - coke copyaceous acid, which right away dissociates into H + ions and HCO3 . From erythrocytes HCO ~ enters the occupation downslope plasm where it joins with NaCl or KC1 , forming salts of speed of lightic acid : NaHC03, KNS03 . active 2.5 vol. % light speed dioxide in the plasma is in a state of sensible dissolution. these compounds in the form of carbon dioxide is transported to the venous product line from the tissues to the lungs. contained in venous blood of 58. 63 .. vol. % carbon dioxide and 12 vol. % atomic number 8.\n bodge swop amongst blood and tissues . In the tissues of oxygen released from the faint liaison with hemoglobin and erythrocytes on the airing natural rightfulness comfortably penetrates into cells , since the absorp tion of oxygen in the arterial blood is good higher(prenominal)(prenominal) than in the tissue . hither , oxygen is use for oxidisation of constitutional compounds to heighten carbon dioxide. The parsimony of carbon dioxide in the tissues increases and becomes advantageously higher than in the blood current to them . snow dioxide tension of 60 mm Hg. Art. in tissues and 40 mm Hg. Art. in the arterial blood, so the law of dispersal it passes from the tissue into the blood. It is saturated with carbon dioxide , i.e. becomes venous .'