The main force that causes filtration in a nephron is... glomerular hydrostatic pressure.
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There are many answer for it be ore clearer
"The oxytocin in blood stimulates the pituitary to secrete more oxytocin" is the way among the following choices given in the question that <span>the level of oxytocin is controlled by a positive-feedback mechanism. The correct option among all the options that are given in the question is the second option or option "B".</span>
Answer: A. Mantle
" Heat rising and falling inside the mantle creates convection currents"