Answered

How does filtration occur during the formation of urine?

A. Nephron tubes filter waste products and transfer them into the collecting tubules.
B. Pressure causes water and dissolved substances to filter through capillary walls of the glomerulus.
C. Gravity forces large particles to filter through capillary walls of the glomerulus.
D. Bowman's capsules collect dissolved substances and transfer them to the peritubular capillaries.



Answer :

Final answer:

Filtration during urine formation happens in the glomerulus by pressure, leading to the filtration of water and dissolved substances into Bowman's capsule.


Explanation:

Filtration during the formation of urine occurs in the glomerulus where pressure forces water and dissolved substances to filter through capillary walls into Bowman's capsule. This initial process is known as glomerular filtration. The filtered substances then pass through the renal tubules where reabsorption and secretion take place to create the final urine composition.


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