The document discusses the vital functions of organisms including cellular structure, nutrition, reproduction, and cellular interaction. It describes the main types of cells as prokaryotic and eukaryotic, and explains that eukaryotic cells contain membrane-bound organelles. It also discusses autotrophic and heterotrophic nutrition, explaining that autotrophs like plants produce their own food through photosynthesis while heterotrophs obtain nutrients by feeding on other organisms. The document concludes by describing asexual and sexual reproduction.

1. UNIT 10 & 11: ORGANISM’S VITAL FUNCTIONS