মায়োজেনিক নিয়ন্ত্রণের গতিপথ হলো–
ক. SAN → AVN → Bundle of His → Purkinje fibers
খ. AVN → SAN → Bundle of His → Purkinje fibers
গ. Bundle of His → SAN → AVN → Purkinje fibers
ঘ. SAN→ Bundle of His → AVN → Purkinje fibers
উত্তর: SAN → AVN → Bundle of His → Purkinje fibers
HSC Biology 2nd Paper Chapter 4: রক্ত ও সংবহন MCQ — Prosthuti প্রশ্নব্যাংক
HSC · Biology 2nd Paper · Chapter 4: রক্ত ও সংবহন · MCQ