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Biology Notes: Circulatory System Class IX by guruprakaash4 is a document available to read on EtoBox.

What is Biology Notes: Circulatory System Class IX about?

The document provides detailed notes on the circulatory system for Class IX Biology, outlining the parts of the heart, their functions, and the differences between double and single circulatory systems. It also discusses coronary heart disease, its causes, and prevention methods. The information is structured to support home learning for the 2025-2026 academic year.

Author

guruprakaash4

Language

EN