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प्रश्न
The nearest organ to which the heart supplies oxygenated blood is:
पर्याय
Lung
Stomach
Intestine
Heart itself
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उत्तर
Heart itself
संबंधित प्रश्न
What is the liquid part of the blood called? What is the function of platelets in the blood?
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?
Put a tick mark (✓) against the correct alternative in the following statement.
Pulmonary vein carries
Describe the functions of the: Blood
Name the main artery which carries blood to different parts of the body.
_____ gas is transported to all parts of the body.
Circulation is carried out by ______ in higher animals.
______ is an agranulocyte.
Ventricles have ______ walls when compared with those of auricles.
