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q what are the three major renal processes that combined produce urineurine is made by the occurrence of three processes in the nephron that are
q what is the functional unity of the kidneysthe functional filtering unity of the kidneys is the nephron a nephron is made of efferent arteriole
q which are the vessels that drain filtered blood from the kidneysthe renal veins carry the blood that has been reabsorbed in the nephron tubules and
q what are the vessels that carry blood to the kidneys is this blood venous or arterialthe renal arteries are ramifications of the aorta and so the
q which are the organs of the excretory systemthe excretory system is formed of ureters two kidneys two bladder and
q how is urea formed in the human bodyurea is a product of the degradation of amino acids in the process amino acids lose their amine group which is
q what is the main nitrogen waste of humanshuman beings excrete largely urea eliminated with the
q how do embryos of placental mammals excrete nitrogen wastesplacental animals including embryos and excrete urea in the adult placental mammal urea
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