Biology Practicals Class 10

Release of Carbon Dioxide in Human Breathing Process

  • Teach science experiments in a gamified way
  • Boost conceptual clarity and knowledge retention
  • Aligned with National Education Policy 2020
  • Helpful in getting NAAC accreditation
  • CBSE, ICSE, and state boards aligned curricula
  • Engaging simulations with easy-to-teach instructions

About Simulation

  • Engage in thrilling biology experiments that focus on the release of carbon dioxide in the human breathing process, offering a hands-on learning experience.
  • Gain a deeper understanding of the dynamics of biology through engaging and simplified experiments that demonstrate the essential role of carbon dioxide in the human breathing process.
  • Explore the fascinating world of human physiology as you learn how breathing works and the importance of carbon dioxide in sustaining this vital bodily function.
  • Enhance your knowledge and appreciation of human biology through interactive experiments that highlight the intricate relationship between breathing and the exchange of gases in the body.

Biology Practical Class

Simulation Details

Duration – 30 Minutes
Easily Accessible
Languages – Odia & English
Platforms – Android & Windows


In the metabolic process of respiration, food, particularly glucose, undergoes oxidation, releasing energy that is essential for various cellular functions. In this experiment, wet gram seeds have been utilized due to their active respiration process, leading to the emission of carbon dioxide. The KOH solution present in the setup serves to absorb the carbon dioxide emitted by the seeds.

Through this simulation, participants will gain insights into how humans and animals release carbon dioxide during respiration, mirroring the process observed with the gram seeds. Additionally, they will learn about the phenomenon where air bubbles exhaled gradually turn lime water milky, providing a visual representation of the presence of carbon dioxide in the exhaled breath and its reaction with the lime water. This experiment offers a hands-on opportunity to understand the fundamental principles of respiration and the exchange of gases in living organisms.

Requirements for this Science Experiment

  • Test tube stand
  • Test tube
  • Freshly prepared lime water in a beaker
  • Cork with two holes
  • Two glass tubes bend at right angles

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