Animal Breath

This passage explains the oxygen-carbon dioxide exchange that occurs when animals breathe. It details how animals inhale oxygen and exhale carbon dioxide, which plays a role in the carbon cycle. The passage describes how the body transports carbon dioxide through the bloodstream before releasing it during respiration. Understanding this process shows the vital link between respiration and the environment.

Reading about respiration helps students improve their comprehension of biological processes. The passage introduces new vocabulary such as “oxygen-carbon dioxide exchange,” enhancing language skills. Students engage in critical thinking by connecting respiration with the carbon cycle. The well-organized structure of the passage also supports grammar proficiency, as students learn to interpret detailed scientific information.