A specialised nodal tissue embedded in the lower corner of the right atrium, close to atrio-ventricular septum, delays the spreading of impulses to heart apex for about 0.1sec. The delay allows
Held on 30 Apr 2019 · Verified 9 Jul 2026.
blood to enter aorta
the ventricles to empty completely
blood to enter pulmonary arteries
the atria to empty completely
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Work through every NEET UG Body Fluids and Circulation PYQ, year by year.