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प्रश्न
Define the Arteries.
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उत्तर
Arteries are the blood vessels in which oxygenated blood is going away from the heart to all parts of the body.
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संबंधित प्रश्न
Explain Pulse
Match the statements in Column A with those in Column B:
Given below is a certain structure, write its chief functional activity.
Blood platelets - ______
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 |
Explain the following:
Why is the closed circulatory system more efficient than the open system?
Name the three kinds of blood vessels found in human beings. With the help of suitable diagrams, differentiate between them.
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries? How can you confirm your answer?
Name the Following
The blood plasma from which fibrinogen has been removed.
Long answer question:
Describe human blood and give its functions.
Identify the function of the erythropoietin hormone produced by kidney cells.
