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Why Do Some People Need to Use a Dialysis Machine? What Does the Machine Do? - Science

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प्रश्न

Why do some people need to use a dialysis machine? What does the machine do?

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उत्तर

The major waste products of the cells are nitrogenous wastes like ammonia and urea. Both of these compounds are toxic to the human body and must be removed from the blood regularly. The kidneys remove these wastes from the body. However, if the kidneys fail to function, the waste may accumulate and damage the internal organs of the body, which can even lead to the death of the organism. Therefore, in case of kidney failure, blood must be filtered periodically using a dialysis machine to remove the accumulated wastes from the body.
The dialysis machine cleans the blood of a person by removing the nitrogenous wastes products from it.

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पाठ 1: Life Processes - Exercise 3 [पृष्ठ ७३]

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लखमीर सिंह Biology (Science) [English] Class 10
पाठ 1 Life Processes
Exercise 3 | Q 37 | पृष्ठ ७३

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

What are the methods used by plants to get rid of excretory products?


The form in which glucose in stored in liver. 


State the exact location of the Loop of Henle.


The given diagram represents a nephron and its blood supply. Study the diagram and answer the following questions: 

(i) Label parts 1, 2, 3 and 4.
(ii) State the reason for the high hydrostatic pressure in the glomerulus.
(iii) Name the blood vessel which contains the least amount of urea in this diagram.
(iv) Name the two main stages of urine formation.
(v) Name the part of the nephron which lies in the renal medulla.


Fill in the following blank with suitable word:

Gums and resins are the .......... products of plants.


What are the methods used by plants to get rid of their waste products?


Fill in the blank.  

Malpighian body consists of Bowman’s capsule and ..................... 


What is dialysis?

The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.

Parts indicated by the guidelines 1to 8 are as follows:

1. Afferent arteriole from renal artery

2. Efferent arteriole

3. Bowman's capsule

4. Glomerulus

5. Proximal convoluted tubule with blood capillaries

6. Distal convoluted tubule with blood capillaries

7. Collecting tubule

8. U-shaped loop of Henle

Study the diagram and answer the question that follow:

Which structure contains the lowest concentration of urea?


Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:

Why does the cortex of the kidney show a dotted appearance?


Describe in brief how urine is produced in the human body.


Differentiate between:
Ureter and Urethra.


Name the Following
The process by which kidneys regulate the water content of the body.


Answer the following question.

Birds are uricotelic in nature. Give reason.


The habitat of animals that excrete nitrogenous waste in the form of urea.


The product of the process of deamination is ______.


The number of ATP molecules required to produce one molecule of urea from the omithine cycle.


Explain the importance of soil for plant growth.


Give reason:

Excretion is a necessary process of our body.


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