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q why is the uricotelic excretion essential for reptile and avian embryosin birds and reptiles the excretory system is uricotelic since uric acid is
q what is the nitrogen waste in amphibian larvae and in the adult animalthe terrestrial adult excretes urea since amphibian larvae are aquatic they
q comparing toxicity and the need for dilution in water how different are the uricotelic and ureotelic excretions what are some examples of animals
q why after the passage of animals from the aquatic to the terrestrial habitat does the abandonment of the ammoniotelic excretion occurammonia is a
q why are most ammoniotelic beings aquatic animalsaquatic animals like crustaceans amphibian larvae and bony fishes generally are ammoniotelic since
q what are the three major types of nitrogen wastes excreted by living beingsthe main nitrogen wastes excreted by living beings are ammonia urea and
q what are the nitrogen wastesnitrogen wastes are residuals derived from the degradation of proteins and they are made from chemical transformation
q what is the excretionexcretion in physiology is the procedure of elimination of metabolic wastes and other toxic substances from the
q how is heart contraction triggeredheart contraction is independent from neuronal stimulus although it can be modulated by the autonomous nervous
q concerning the mixture of arterial with venous blood what is the difference between the adult circulation and the human fetal circulationin the
q how many chambers do the mammalian heart and the bird heart have concerning temperature maintenance what is the benefit of the double and complete
q what is the difference between the reptile heart and the amphibian heartthe reptiles have incomplete and double circulation three heart chambers
q how many heart chambers does the amphibian heart havethe amphibian heart has three heart chambers such as one ventricle and two
q why can the amphibian circulation be classified as incomplete and doublethe amphibian circulation is double because it is composed of pulmonary and
q why is the fish circulation classified as a complete and simple circulationsimple circulation is that in which the blood circulates only in one
q does the fish heart pump venous or arterial bloodafter oxygenation in the gills the arterial blood goes to the tissues so the fish heart pumps
q how many chambers does the fish heart havethe fish heart is a tube made of two consecutive chambers such as one ventricle and one
q what is the difference between simple closed circulation and double closed circulationdouble closed circulation or closed circulation is that in
q how is carbon dioxide released by cellular respiration transported from the tissues to be eliminated through the lungsin vertebrates almost 70 of
q what is the stage of cellular respiration during which carbon dioxide is liberatedin aerobic cellular respiration the release of carbon dioxide
q why is carbon monoxide toxic for humanshemoglobin likes carbon monoxide co much more than it likes oxygen when there is carbon monoxide in the
q what is the substance that stimulates the production of red blood cells which is the organ that secretes it under what conditions does this
q in high altitudes is it necessary for the blood to have less or more hemoglobinin high altitudes the oxygen concentration and air is rarefied is
q what is the hemoglobin f why does the fetus need different hemoglobinhemoglobin f is the hemoglobin found in the hemoglobin and mammalian fetusa is
q how different are hemoglobin and oxyhemoglobin where is it expected to find a higher concentration of oxyhemoglobin in peripheral tissues or in the