As blood flows through true glomerulus, blood pressure pushes water and solutes from the capillaries into the capsule through filtration membrane. This glomerular filtration begins the urine formation process.
Technical writing is sometimes defined as simplifying the complex. Inherent in such a concise and deceptively simple definition is a whole range of skills and characteristics that address nearly every field of human endeavor at some level.
Source: TechWhirl
Maybe A can be your answer?
Okay, A journey to school... can it be made up or does it have to be your actual route to school? So I can help you out.