Final answer:
A glomerulus is a ball of capillaries inside of the Bowman's capsule and is a part of the nephron responsible for initial blood filtration.
Step-by-step explanation:
A glomerulus is a ball of capillaries inside of the Bowman's capsule. It is a part of the nephron, which is the basic structural and functional unit of the kidney. The glomerulus is responsible for the initial filtration of blood in the process of urine formation.
Learn more about Glomerulus function