Advertisements
Advertisements
प्रश्न
The closure of the mitral and tricuspid valves at the start of the ventricular systole produces the first sound ‘LUBB’.
विकल्प
True
False
MCQ
सत्य या असत्य
Advertisements
उत्तर
True
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
What is meant by 'heart beat'? What is the usual heart beat rate at rest?
The wave of expansion of an artery when blood is forced into it is called:
Why do we sweat more in summer?
Initiation and stimulation of heartbeat take place by nerves.
Differentiate between systole and diastole.
Explain the conduction of heartbeat.
Observe figure and answer the given questions:
- Name the instrument.
- Label parts A, B and C.
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 heart sound 'Dub' is produced when ______.
What is pulse?
