The Heart Date:
Learning Objectives Identify features of the heart Link the structure of the heart to its function Describe the passage of blood through the heart and into the circulatory system
What features do you recognise?
Heart dissection Safety first! Listen to instructions Stand up/stools under desks Handle sharp objects with care Goggles on Report accidents Mop up and disinfect fluids and spillages
Drawing and labelling Can you identify: Left and right atria Left and right ventricles Atrioventricular valves Vena cava Aorta Pulmonary artery Pulmonary vein +Label the path blood takes through the chambers!
Functions Draw a table to describe the function of each part of the heart Structure Function Valves Prevent backflow of blood Left ventricle To squeeze oxygenated blood around the body Right ventricle To squeeze deoxygenated blood to the lungs Left and right atria To squeeze blood to the ventricles Aorta Major artery leading to the body Vena cava Major vein returning from the body Heart strings To support the valves Structure Function
What questions might the examiner be about to ask?