Oxygen Odyssey

This passage explores the journey of oxygen and nutrients through the body, transported via the circulatory system. It explains the role of blood as the carrier, the heart as the pump, and how oxygen is absorbed and delivered to tissues. The circulatory system is described as a network of blood vessels and the vital mechanism for sustaining life. The passage emphasizes how important oxygen is for proper bodily function.

Reading this passage enhances students’ science literacy by exposing them to important biological processes. The complexity of the content challenges them to analyze and understand how multiple systems interact within the body. It also provides opportunities to expand vocabulary related to the human body and circulatory system. Moreover, students can practice reading fluency as they engage with longer, more technical sentences.