This report provides an overview of the human body's organization, starting from the cellular level and progressing to organ systems. It details the various levels of organization, including cellular, tissue, organ, and organ system levels. The report emphasizes the contributions of different tissues, such as epithelial, connective, muscle, and nervous tissues, to the overall functioning of the human body. The report also briefly touches on the major body systems like integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems. It concludes by highlighting the importance of understanding these levels and tissue contributions for a comprehensive view of human biology. This report aims to provide a foundational understanding of the human body's structure and function.