A narrow passage built through the mountain is called a .
Fill in the blanks in the following passage to make it a meaningful description.
In a nephron, the ___ flows through the ___ under great pressure. The reason for this great pressure is that the ___ (outgoing) ___ is narrower than the ___ (incoming). This high pressure causes the ___ part of the blood to filter out from the ___ into the ___ capsule.
The passage of water through soil particles is called evaporation.