What is considered as a process of ultrafiltration?

What is considered as a process of ultrafiltration?
  1. Filtration of plasma
  2. Filtration of blood
  3. Filtration of urine
  4. Filtration of proteins

Solution

Blood is filtered so finely through Bowman's capsule membranes that almost all the constituents of plasma except the proteins pass onto the lumen of Bowman's capsule. This is considered as a process of ultrafiltration.

Asked in: NCERT

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