Скачать или смотреть The human heart and its function

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🫀 Discover the Human Heart Like Never Before!
In this detailed and easy-to-understand video, we explore the human heart and its vital function in the circulatory system. Learn how blood flows through the heart's four chambers, how heart valves work, and how the heart’s electrical system keeps everything beating in rhythm.

Perfect for students, biology lovers, and curious minds — this video covers:
✅ Heart anatomy (atria, ventricles, valves)
✅ The full blood circulation cycle
✅ The role of oxygenated and deoxygenated blood
✅ The heart’s electrical pacemaker system
✅ Fun and surprising heart facts!

🎓 Ideal for school learning, exam revision, or anyone wanting to understand how this powerful organ keeps us alive.

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