Draw a rough pear-shaped outline for the heart
Mark the top as the base and the bottom as the pointed apex
Draw two upper chambers, the right atrium and left atrium
Draw two lower chambers, the right ventricle and left ventricle
Show the septum as a vertical dividing line in the middle
Draw the superior vena cava entering the right atrium from above
Draw the inferior vena cava entering the right atrium from below
Draw the pulmonary artery leaving the right ventricle
Draw the pulmonary veins entering the left atrium
Draw the aorta leaving the left ventricle
Add valves between the atria and ventricles
Add labels for all main parts
Use different colors to separate oxygenated and deoxygenated blood pathways
Keep the diagram neat and clear for class 10 presentation