Advertisements
Advertisements
प्रश्न
The closure of the mitral and tricuspid valves at the start of the ventricular systole produces the first sound ‘LUBB’.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
Advertisements
उत्तर
True
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
The rhythmic expansion and contraction of the heart is called ______.
The wave of expansion of an artery when blood is forced into it is called:
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?
What is the pulse rate?
Explain the process of breathing in man.
Match the parts of the heart in Column I with the direction of 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 ______.
