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प्रश्न
The wave of expansion of an artery when blood is forced into it is called:
विकल्प
Flow
heart beat
Pulse
Ticking
उत्तर
Pulse
Pulse is the expansion of the artery each time the blood is forced into it.
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संबंधित प्रश्न
What is meant by 'heart beat'? What is the usual heart beat rate at rest?
Initiation and stimulation of heartbeat take place by nerves.
The closure of the mitral and tricuspid valves at the start of the ventricular systole produces the first sound ‘LUBB’.
What are heart sounds? How are they produced?
Differentiate between systole and diastole.
Explain the conduction of heartbeat.
Doctors use the stethoscope to hear the sound of the heart. Why?
Match the parts of the heart in Column I with the direction of the flow of blood in Column II.
| Column I | Column II | ||
| (i) | Right ventricle | (a) | Pushes blood into the pulmonary artery. |
| (ii) | Pulmonary veins | (b) | Take deoxygenated blood from the heart to the lungs. |
| (iii) | Left atrium | (c) | Receives blood from different parts of the body. |
| (iv) | Pulmonary arteries | (d) | Bring oxygenated blood from the lungs to the heart. |
| (v) | Left ventricle | (e) | Pushes blood into the aorta. |
| (vi) | Right auricle | (f) | Receives deoxygenated blood from the pulmonary veins. |
The 'Lub' and "Dub" heart sound are due to ______.
What is pulse?
