This lung volume bag kit helps students explore lung capacity through hands-on investigation, making it ideal for biology lessons in secondary schools and colleges. Teachers can easily demonstrate and compare lung volumes, supporting practical understanding of respiratory health and human biology.

• Includes four durable plastic lung bags with holders (rubber bands) and mouthpieces
• Graduated markings up to 6 litres for accurate measurement
• Designed for comparing lung volume with height, age, and other variables
• Instructions provided for straightforward classroom use
• Reusable components for multiple experiments