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प्रश्न
What is Sinus arrhythmias?
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उत्तर
Sinus arrhythmias: During inspiration heart rate increases and during expirations it falls. This phenomenon is known as sinus arrhythmia.
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संबंधित प्रश्न
Multiple choice question. Tick (✓) the correct choice:
Human heart has
- one auricle and one ventricle.
- two auricles and one ventricle.
- two auricles and two ventricles.
- one auricle and two ventricles.
Describe the function of Heart.
Choose the correct answer:
In mammals the opening of post caval in the right auricle is guarded by _________
Draw the diagram external features of the heart.
Describe pericardium.
Short answer question.
What is the role of papillary muscles and chordae tendinae in the human heart?
In between which layers of pericardium, pericardial fluid is present?
Name two-layered protective covering of the human heart.
In the given figure of the heart which of the marked structures (1, 2, 3, 4, 5) carries oxygenated blood.
Heart sound 'dub' is caused due to closing of ______.
