GENERAL HISTOLOGY

EXCRETORY SYSTEM

KIDNEY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The substance present in blood passes through the glomerulus and the Bowman’s capsule by a process called
A
diffusion.
B
ultra filtration.
C
active transport.
D
osmosis.
Explanation: 

Detailed explanation-1: -The process of ultrafiltration occurs in the nephrons of the kidneys. The process can be described as follows: Blood flows through the glomerulus that is surrounded by the Bowman’s capsule. The hydrostatic pressure forces the small molecules to leave the glomerulus and enter in the Bowman’s capsule.

Detailed explanation-2: -Liquid and solutes of the blood must pass through multiple layers to move from the glomerular capillaries into Bowman’s space to ultimately become filtrate within the nephron’s lumen. Following the GBM, filtrate must pass through the epithelial layer of Bowman’s capsule, which is composed of podocytes.

Detailed explanation-3: -Protein-free fluid is filtered from blood plasma into the Bowmans capsule.

Detailed explanation-4: -Fluid and small solutes are forced under pressure to flow from the glomerulus into the capsular space of the glomerular capsule. The Bowman’s capsule is the filtration unit of the glomerulus and has tiny slits in which filtrate may pass through into the nephron.

Detailed explanation-5: -Ultrafiltration (UF) is a water purification process in which water is forced through a semipermeable membrane. Suspended solids and high-molecular-weight solutes remain on one side of the membrane, the retentate side, while water and low-molecular-weight solutes filter through the membrane to the permeate side.

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