Read the following for hemodialysis : i. Blood of patient is pumped from vein into cellophane tube which is suspended within dialysing solution. ii. Dialysing solution is of the same composition as blood plasma but no urea. iii. The risk of formation of blood clots is associated with artificial kidney. iv. Blood is therefore mixed with anti-heparin to prevent clot formation.
Read the following : i. Infants and toddlers are often under habit of bed wetting since micturition is a reflex process. ii. Adults and grown up children can control this reflex process, voluntarily to some extent.