Pathology: Systemic Part 1 Barchart Quick reference to Systemic Pathology, the study of specific organ responses to diseases, with succinct definitions ensuring this guide covers in 6 pages what you would usually find in 30 pages or more. Due to space constraints the content coverage was split into 2 guides. This guide can be combined with Pathology Systemic 2 for full coverage. Combine Systemic 1 & 2 with Pathology General for a solid 90 pages of information in 18 pages.