Use your pen or pencil to begin drawing the essential part of your heart diagram, which would look like an open-ended acorn; Draw the image, and angle it to the left around 120 degrees. The critical structure will form the base for ventricles on the left and right;
Drawing a Heart and Arrow. Outline sketch with a circle. Draw another smaller circle overlapping the previous circle. Draw the downward triangle with a little perspective to it. Draw the first cheek. Add the second cheek. Erase the outline sketch and make a new one for the arrow. Always draw the arrow in a slanted way.
To draw a human heart, first draw what looks like the lower half of an acorn that’s missing its cap. This will be the outline of the left and right ventricles. Draw a rounded bump on the top left half of the acorn shape, which will be the right atrium.
