Human Circulatory System Explained | Heart, Blood & Blood Vessels | Biology

The circulatory system in the human body plays a vital role in transporting oxygen, nutrients, hormones, and removing waste products. In this video, we explain the human circulatory system in a simple, clear, and exam-oriented way. 📌 Topics Covered in This Video: ✔ What is circulatory system ✔ Components of circulatory system ✔ Structure of human heart ✔ Working of heart (cardiac cycle) ✔ Blood and its components ✔ Blood vessels (arteries, veins, capillaries) ✔ Double circulation in humans ✔ Important exam points & revision This video is very helpful for: 🎓 Class 9, 10, 11 & 12 Biology students 📚 NEET foundation & board exam preparation 👉 Watch till the end for easy understanding and quick revision. 👍 Like | 💬 Comment | 🔔 Subscribe for more biology videos