Question

The diagram given below shows a section of a human kidney. Study the diagram carefully and answer the questions that follow.

(v) Name the two major steps in the formation of the fluid mentioned in (iii).

Answer 1

Solution:-

The three main steps involved in the urine formation are :-

(i) Ultrafiltration (Glomerular filtration).
(ii) Selective reabsorption.
(iii) Tubular secretion.

Among the three steps of urine formation ultrafiltration and selective reabsorption are the major two steps involved.