No. 10

A very unique image of the heart. From this view, its easy to see how small clogs can quickly become big problems. Were I more poetic, I would make some comparison of how the light within the blood vessels represented the life force keeping us alive. But seeing as how this blog is for a Technical Writing course, I'll just say the light represents blood volume, engorged with oxygen.

Source -http://science.nationalgeographic.com/staticfiles/NGS/Shared/StaticFiles/Science/Images/Content/heart-angiogram-sd3453-sw.jpg