alleryThe sino-atrial node lies in which part of the heart?
ATop of the inter-ventricular septum
BRight upper corner of right atrium
CLower left corner of right atrium
DUpper part of the left atrium
Answer & Solution
Correct answer: B. Right upper corner of right atrium
The SA node is a patch of nodal tissue at the right upper corner of the right atrium.
Keep practising Body Fluids and Circulation
Browse all Body Fluids and Circulation questions for NEET UG, or explore more Biology topics.
Related questions
Closure of the semilunar valves occurs when:Which term means that the heart has stopped beating?In a blood pressure reading of 120/80 mm Hg, the 80 represents:Blood pumped by the right ventricle enters the:Pulmonary veins carry oxygenated blood into the:In a standard ECG, ventricular contraction begins shortly after which point?Sudden damage to heart muscle from inadequate blood supply is called:In a standard ECG, the end of the T-wave marks the: