In the past few years, we have covered a bunch of plugins that let you easily add math equations and scientific expressions to your website. This Interactive Medical Drawing of Human Body for WordPress is also worth a look. Useful for anatomy sites, this plugin lets you customize the links and description for each body part.
You can insert this interactive drawing to your site with a simple shortcode. This plugin is available as a free download. You can find out more about it here.
More WordPress reading: