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प्रश्न
In what ways does the blood entering the kidney differ from that leaving the kidney?
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उत्तर
The blood entering the kidneys contains excretory substances such as urea, uric acid, etc. These substances are removed from the blood in the kidneys and the blood is free from the waste: products of metabolism when it leaves the kidneys.
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संबंधित प्रश्न
The diagram given below represents a section of the human heart. Answer the questions that follow :
(i) Which parts of heart are in the diastolic phase? Give a reason to support your answer.
(ii) Label the parts numbered 1 and 2 in the diagram. What type of blood flows through them?
(iii) What causes the heart sounds ‘LUBB’ and ‘DUP’?
(iv) Name the blood vessels that supply oxygenated blood to the heart muscles.
(v) Draw neat labelled diagrams of a cross section of an artery and a vein.
Explain Diapedesis.
State the functions of blood in our body.
Why do people have a common belief that the heart is located on the left side of the chest?
Match the items in Column ‘A’ with those in column ‘B’ Rewrite the correct matching pairs.
| Column A | Column B | ||
| (a) | SA Node | (i) | Plasma |
| (b) | Defective haemoglobin in RBC | (ii) | Serum |
| (c) | Muscle fibres located in heart | (iii) | Pacemaker |
| (d) | The liquid squeezed out of blood during clotting | (iv) | Sickle cell anaemia |
| (e) | Never tires, keep on contracting and relaxing | (v) | Purkinje fibres |
| (f) | Cardiac cycle | (vi) | Cardiac muscle |
| (g) | Liquid part of the blood without corpuscles | (vii) | 0·85 sec |
What is the function of spleen?
Differentiate between:
Arteries and Veins.
Short answer question.
Write a note on blood plasma.
Long answer question:
Describe human blood and give its functions.
Name these:
Three circulating fluids in human body.
