1. Define excretion.
2. Name the basic filtration unit present in the kidney.
3. Draw excretory system in human beings and label the following organs of excretory system which perform following functions :
   1. form urine.
   2. is a long tube which collects urine from kidney.
   3. store urine until it is passed out.

(a) Excretion is the process of removal of waste matter or products from the body.

(b) Nephrons are the basic filtration unit present in the kidney.

(c) Excretory system of human beings:

(i) form urine: Kidney

(ii) is a long tube that collects urine from the kidney: Ureter

(iii) store urine until it is passed out: Bladder

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Updated on: 20-Mar-2023

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