1) The process of diffusing blood under pressure is termed as ______; this takes place in the ______ and eliminates all the small molecules from blood, the process of ______ then follows, where useful molecules like ______ and ______ and ______ are added back in the blood.  Finally, third process in the kidney occurs, ______.  During this process, additional molecules such as ______ or ______ are removed from the blood and put into the urine.

2) The hormone which causes less urine to be generated is ______.  It is formed by the ______ when there is ______ water in blood.  ______ is other hormone which results salt to be reabsorbed; ______ follows the salt, resulting in more liquid in blood.  The density of urine as compared to the water is generally referred to as the ______.