: A full PDF version (288 pages) of the 2012 edition is available for free viewing and download via VK .

If you are looking for video lessons or additional summaries based on this curriculum, sites like InternetUrok offer free video guides and interactive tests that align with the 8th-grade standards.

: While not always free for the full version, LitRes often provides electronic copies and previews of the official printed textbook. Core Topics Covered

: Science-based health protection and organism regulation. Alternative Learning Resources

: You can find a preview of the "Sphere of Life" concentric series textbook by Sapin and Sonin on Google Books .

: Chemical composition, structure, and vital activities of human cells. Body Systems : Musculoskeletal (Support and Movement) Circulatory (Blood and circulation) Respiratory and Digestive systems Excretory and Nervous systems Metabolism : Energy exchange and the role of vitamins.