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  • (a) Define excretion. (b) Name the basic filtration unit present in the kidney. (c) Draw excretory system in human beings and label the following organs of excretory system which perform following functions : (i) f

(a) Define excretion.

(b) Name the basic filtration unit present in the kidney.

(c) Draw excretory system in human beings and label the following organs of excretory system which perform following functions :

  • (i) form urine.
  • (ii) is a long tube which collects urine from kidney.
  • (iii) store urine until it is passed out.

 

 

 

 
 
 
 
 

Answers (1)

(i) It is a process that an organism used to expel the waste product produce by metabolism. In order for the cell to survive, they need to perform biochemical reactions as some byproducts are formed which can be toxic or that to the cell if they are allowed to accumulate. The process of excretion collects these wastes and rid them from cells of the body these wastes must be excreted from the body.

(ii) The basic filtration unit in the kidney is known as Nephron :

(iii)

 

1. kidney form urine.

2. The ureter is the long tube which collects the urine from Kidney.

3. The urinary bladder is a structure which stores the urine until it is passed.

 

Posted by

Sumit Saini

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