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what are some functions of the epithelium the epithelial tissues can do covering impermeability and protection against the environment for instance
what is the function of the skin in humansthe skin is the external covering of the body in humans its major functions are protection perception of
q state maxwells right hand cork screw rule maxwellss right hand cork screw rule if a right handed cork screw is turn to advance along the direction
q define thomson effect thomson recommended that when a current flows through unequally heated conductors heat energy is absorbed or evolved
q define peltier coefficient and write its unit the quantity of heat energy absorbed or evolved at one of the junctions of a thermocouple when one
q what is temperature of inversion maintain the temperature of the cold junction constant the temperature of the hot junction is gradually increased
what is hemodialysishemodialysis is the artificial blood filtration made by exact machines in substitution of the kidneys hemodialysis may be
how does aldosterone act and where is it producedaldosterone is a hormone that acts upon the nephron tubules stimulating the resorption of sodium
what is the function of the antidiuretic hormone where is it made and which are the stimuli that enhance or decrease its secretionthe antidiuretic
why do cells of the nephron tubules present a great amount of mitochondriathe cells of the tubule wall have high number of mitochondria because lots
where does most of the water resorbed after glomerular filtration go what are the other substances resorbed by the nephron tubulesonly 05 to 1 of the
what is the main transformation presented by the glomerular filtrate in comparison to the bloodglomerular filtrate is the name given to the plasma
what is the functional unity of the kidneysthe functional filtering unity of the kidneys is the nephron a nephron is made of afferent arteriole
which are the organs of the excretory system the excretory system is produced of kidneys two ureters two bladder and urethrathe excretory system -
how do embryos of placental mammals excrete nitrogen wastes placental animals as well as embryos excrete urea in the adult placental mammal urea is
why is the uricotelic excretion essential for avian and reptile embryos in reptiles and birds the excretory system is uricotelic as uric acid is
comparing toxicity and the requirement for dilution in water how different are the ureotelic and the uricotelic excretions what are some examples of
why after the passage of animals from the aquatic to the terrestrial habitat does the abandonment of the ammoniotelic excretion occurammonia is a
q what is neutral temperature maintain the temperature of the cold junction constant the temperature of the hot junction is gradually increased the
q what is seebeck effect seebeck revealed that in a circuit consisting of two dissimilar metals like iron and copper an emf is developed when the
q what is a fuse wirei fuse wire is an alloy of lead 37 as well as tin 63 it is linked in series in an electric circuitii it has high resistance as
why are most ammoniotelic beings aquatic animalsaquatic animals like crustaceans bony fishes and amphibian larvae usually are ammoniotelic since
q why nichrome is used as heating element in electric heating devices nichrome an alloy of nickel as well as chromium is used as the heating element
what are the three main types of nitrogen wastes excreted by living beingsthe major nitrogen wastes excreted by living beings are ammonia uric acid
q state joules law of heatingthe heat produced in a conductor isi unswervingly proportional to the square of the current for a given rii unswervingly