Advertisements
Advertisements
प्रश्न
The heart sound 'Dub' is produced when ______.
विकल्प
Semilunar valves open
Atria ventricular valves close
Semilunar valves close
Atria ventricular valves open
Advertisements
उत्तर
The heart sound 'Dub' is produced when Semilunar valves close.
Explanation:
The "dub" sound of the heart is produced by the closure of semilunar valves. At the conclusion of ventricular systole, this happens.
संबंधित प्रश्न
The rhythmic expansion and contraction of the heart is called ______.
What is meant by ‘heart beat’?
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.
What are heart sounds? How are they produced?
Why is the Sinoatrial node called the pacemaker of the heart?
Explain the conduction of heartbeat.
Observe figure and answer the given questions:
- Name the instrument.
- Label parts A, B and C.
The 'Lub' and "Dub" heart sound are due to ______.
