This 50-minute lesson plan covers the cardiovascular system and haemoglobin. The objectives are to: 1) Understand the circulatory system and properties of blood vessels; 2) Learn about coronary circulation and the heart's blood supply; 3) Understand blood pressure; 4) Learn about cardiovascular disease; 5) Understand haemoglobin's role in oxygen transport. Students will apply their knowledge through a Kahoot quiz and complete a questionnaire. The outcomes are for students to understand the circulatory system's function and complete exercises to check understanding. The lesson includes explanations of key topics, activities like gap exercises, and a Kahoot quiz to assess learning.