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प्रश्न
What is diastole?
उत्तर
Diastole- The relaxation of muscles of ventricles or atria.
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संबंधित प्रश्न
The blood from the heart is transported to all parts of the body by the ______.
With which human organ system (or human systems) is vena cava associated?
Is it true that your heart beats more than one lac times per day?
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 |
Name the main artery which carries blood to different parts of the body.
Veins have valves at intervals in their inner lining whereas the arteries do not have valves. Explain.
Short answer question.
Write a note on blood plasma.
Identify the normal haemoglobin count in human females.
Name the following:
Contraction phase of heart.
Name the following:
The structure that holds the heart valves in position.
