â¢ Kidney Disorders: Hematuria may also be caused by damage to the upper urinary tract or an infected kidney. â¢ Bladder and Kidney Cancer: The presence of blood in the urine might also indicate bladder cancer or kidney cancer. However, this is a more common concern in people older than 40 years of age.
1 Answer. 0 votes. answered by Lifeeasy Authors. The three types of passive transport are: 1  Osmosis: The movement of water across the plasma membrane from a region of high water concentration to the region of low water concentration is called Osmosis.
PORES AND CHANNELS. Passive transport can be facilitated by transporters that provide passageways across the membrane of the right size and environment for a particular compound to cross. These types of transporters are often referred to as pores or channels.