Class 11 Biology Chapter 18 – Body Fluids and Circulation is an important chapter of the NCERT Biology Class 11 syllabus (2025-26). It explains the composition of blood and lymph, the structure and function of the human heart, circulation of blood, and associated disorders. To make learning easier, we provide handwritten notes PDF that are neat, colorful, and exam-focused.
📖 About Chapter 18: Body Fluids and Circulation
This chapter highlights the role of body fluids in transportation of gases, nutrients, hormones, and wastes. It describes the human circulatory system, cardiac cycle, blood pressure, ECG, and common disorders. These notes are highly useful for both board exams and NEET preparation.
🌟 Key Topics Covered in Notes
- Blood – Composition and Functions
- Plasma, Formed Elements (RBC, WBC, Platelets)
- Blood Groups – ABO System and Rh Factor
- Lymph and its Functions
- Human Circulatory System – Heart and Blood Vessels
- Double Circulation and Cardiac Cycle
- Electrocardiogram (ECG)
- Regulation of Cardiac Activity
- Disorders – Hypertension, Coronary Artery Disease, Heart Failure, etc.
✨ Features of Handwritten Notes
- Prepared from NCERT Class 11 Biology (2025-26).
- Includes well-labeled diagrams of heart, blood vessels, and ECG.
- Simple and concise point-wise explanation.
- Perfect for quick revision and last-minute preparation.
- Useful for Class 11 exams, NEET, and other entrance tests.
📥 Download PDF – Class 11 Biology Chapter 18 Notes
⬇️ Download Chapter 18 Body Fluids and Circulation Notes PDF
🎯 Why Use These Notes?
- Based on the latest syllabus 2025-26.
- Handwritten in easy-to-understand language.
- Covers important diagrams and flowcharts.
- Saves time during exam preparation.
🔑 Conclusion
The Class 11 Biology Chapter 18 – Body Fluids and Circulation Handwritten Notes PDF (2025-26) are designed for fast learning and effective revision. These notes include diagrams, key points, and exam-oriented content, making them highly useful for both board exams and NEET aspirants. Download the free PDF now and make your preparation easier.
