Complete the following passage with proper one word.
There are two kidneys________the body, and they are____on either side of the vertebral column___the thick muscle of the back and abdomen. Each kidney is_______10 cm. long, 6 cm. wide, and 4 cm. thick.
Each one______about 140 gm.
The major function of the kidneys is______ remove waste products________the body_________prabout 1 million microscopic unit_______nephrous.
_______function is to receive and filter all the blood in the body once_______12 minutes. They remove waste products from the blood and return useful substances________the circulation. In this way, they enable the blood pressure to remain________