π©Ί 1st Year Biology – Chapter 11: Human Circulatory System
✍️ Prepared by: Mujahid Hussain (Mr. MH)
✅ Verified by: M Usman (MSc Physics)
π What’s Inside These Notes:
- π Solved Short & Long Questions
- π« Structure & Working of Human Heart
- π΄ Blood Circulation: Double, Pulmonary & Systemic
- 𧬠Blood Composition: RBCs, WBCs, Platelets & Plasma
- π Blood Groups & Blood Clotting Mechanism
- πΈ Labeled Diagrams & Board-Based Terminology
π Why Choose These Notes?
- ✅ Based on Punjab Board 2025 Format
- ✍️ Clear & Neat Handwriting by Mr. MH
- π§ Concept-Based Explanations for Easy Understanding
- π Verified by Study Pool Subject Experts
π₯ Download Chapter 11 PDF
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⬇️ Download Circulatory System Notes
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π Study Pool Certified
✅ These notes are handwritten by Mujahid Hussain and verified by Study Pool for academic quality and board pattern compliance.


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