Q1. The method of diffusing the blood under pressure is termed as ______; this takes place in the ______ and eliminates all small molecules from the blood, the method of ______ then follows, in which helpful molecules like ______ and ______ and ______ are added back to the blood.  Finally, the third method in the kidney takes ______.  Throughout this method, additional molecules such as ______ or ______ are removed from the blood and put into the urine.

Q2. The hormone which causes less urine to be produced is ______.  It is made by the ______ when there is ______ water in the blood.  ______ is the other hormone which causes salt to be reabsorbed; ______ follows the salt, resultant in more liquid in the blood. The density of the urine in comparison to water is usually termed to as the ______.