Use the BBC activity about the digestive system. Make a life size of the digestive system. Role play What happens to – food as it moves along the digestive system? 4.2.2.2 The heart and blood Describe the functions of the 1.5 Describe the functions of the Demo: Show a Model heart vessels heart and circulatory system heart and circulatory system. heart and identify the Demo: and chambers, main blood The heart is a double Describe and label a diagram Show pictures of a single and lungs of pig with vessels and valves. pump. of the heart showing four a double circulatory system. vessels attached, chambers, vena cava, Pupils write down similarities Demo: Heart and lungs board, scissors, How the heart is pulmonary artery, pulmonary and differences. Discuss the of a pig to show the mounted needle, adapted for its vein and aorta. reasons why. associated vessels. gloves. function. Allow students to feel Describe the flow of blood Use computer simulation to Dissection: hearts The names of the the vessels. Show from the body, through the show the flow of around with vessels blood vessels students how to dissect heart and lungs and back to the heart, lungs and body. attached, boards, associated with the their pig hearts and the body. scissors, mounted heart. Label a diagram of the heart identify the vessels. needles, gloves. Explain how the heart is and colour to show Pacemaker cells Dissect a pig’s See adapted for its function. oxygenated and deoxygenated regulate the beating of Nuffield Foundation blood. the heart. (video clip showing Practical Science Describe the flow of blood by heart and pacemaker suggestions. Artificial pacemakers Describe the heart as a sorting cards with names of cells). correct irregularities in double pump and explain Show lungs and trachea 4.2.2.2 blood vessels, chambers, heart rate. why this is efficient. of a sheep from a local butcher. Identify the
Use the BBC activity about the digestive system. Make a life size of the digestive system. Role play – What happens to food as it moves along the digestive system? 4.2.2.2 4.2.2.2 The heart and blood vessels The heart is a double pump. How the heart is adapted for its function. The names of the blood vessels associated with the heart. Pacemaker cells regulate the beating of the heart. Artificial pacemakers correct irregularities in heart rate. Describe the functions of the heart and circulatory system Describe and label a diagram of the heart showing four chambers, vena cava, pulmonary artery, pulmonary vein and aorta. Describe the flow of blood from the body, through the heart and lungs and back to the body. Explain how the heart is adapted for its function. Describe the heart as a double pump and explain why this is efficient. 1.5 Describe the functions of the heart and circulatory system. Show pictures of a single and a double circulatory system. Pupils write down similarities and differences. Discuss the reasons why. Use computer simulation to show the flow of around the heart, lungs and body. Label a diagram of the heart and colour to show oxygenated and deoxygenated blood. Describe the flow of blood by sorting cards with names of blood vessels, chambers, Demo: Show a heart and identify the chambers, main blood vessels and valves. Demo: Heart and lungs of a pig to show the associated vessels. Allow students to feel the vessels. Show students how to dissect their pig hearts and identify the vessels. Dissect a pig’s See Nuffield Foundation Practical Science suggestions. Show lungs and trachea of a sheep from a local butcher. Identify the Model heart Demo: and lungs of pig with vessels attached, board, scissors, mounted needle, gloves. Dissection: hearts with vessels attached, boards, scissors, mounted needles, gloves. (video clip showing heart and pacemaker cells).