📅 MIT Science Bowl 2024🎓 HS🔄 Round 2#️⃣ Question 2🌟 BONUS✍️ Short Answer
Order the following three structures in the heart in the order the electrical impulse travels through them in the heart rhythm pathway: 1) Purkinje (purr-KIN-jee) fibers 2) AV node 3) SA node.
✔️Answer:3, 2, 1
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