Lifeline Network

This passage describes the circulatory system as the body’s transportation network, delivering nutrients and oxygen while removing waste. It discusses how blood, the heart, and blood vessels work together to maintain life. The passage highlights the different components of blood, such as red and white blood cells and plasma, and their specific functions. It emphasizes the importance of the circulatory system in keeping the body healthy.

Reading this passage allows students to deepen their understanding of biological concepts while expanding their scientific vocabulary. The passage encourages students to make connections between the different parts of the circulatory system, promoting critical thinking. By practicing reading this type of text, students improve their ability to comprehend complex processes and apply this understanding to real-life contexts. Additionally, they learn to engage with informative texts effectively.