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how dissimilar is the simple cuboidal epithelium from the columnar epithelium where can these epithelia are found in the human bodythe simple
how are the epithelial tissues classifiedthe epithelial tissues are classified according to the shape of the cells that form it epithelial cells may
is the epithelium vascularized how do nutrients and oxygen reach the epithelium why is this feature a significant evolutionary acquisitionepithelia
what are the specialized structures that help the adhesion between cellsthe structures responsible for the union of the epithelial cells are known as
what is the typical feature of the epithelia how different is it from the connective tissue the typical feature of the epithelium is the absence or
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
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
why are most ammoniotelic beings aquatic animalsaquatic animals like crustaceans bony fishes and amphibian larvae usually are ammoniotelic since
what are the three main types of nitrogen wastes excreted by living beingsthe major nitrogen wastes excreted by living beings are ammonia uric acid
what is excretionexcretion in physiology is the method of elimination of metabolic wastes and other toxic substances from the
how is heart contraction triggered heart contraction is independent from neuronal stimulus although it can be modulated by the autonomous nervous
concerning the mixture of arterial with venous blood what is the difference between the human fetal circulation and the adult circulationin the human
how many chambers do the bird heart and the mammalian heart have concerning temperature maintenance what is the advantage of the double and complete