What is the process whereby fluid moves from the glomerulus into Bowman's capsule?

The process whereby fluid moves from the glomerulus into Bowman's capsule is called glomerular filtration. Here are the steps:

1. Blood enters the kidney through the renal artery, which branches off into smaller and smaller blood vessels. The smallest of these vessels in the kidney are the capillaries in the glomerulus.

2. The glomerulus is a tiny, dense network of capillaries enclosed by the Bowman's capsule. The walls of the glomerulus are semi-permeable, meaning they allow some substances to pass through, but not others.

3. As blood flows through the glomerulus, water and small solutes (like glucose, amino acids, and urea) are forced through the capillary walls. This process is driven by the high blood pressure in the glomerulus.

4. The filtered fluid, now known as filtrate, collects in the Bowman's capsule. This filtrate is essentially plasma from the blood, but without proteins and cells, as they are too large to pass through the capillary walls.

5. The filtrate then flows from the Bowman's capsule into the renal tubule of the nephron, where it will undergo further processing to form urine.

This process is crucial for the kidneys' function of removing waste products from the blood and maintaining the body's fluid and electrolyte balance.