DOG HOME. The structural elements of her body, as a biosystem, are the BODIES and their SYSTEMS. And also, the structural elements of the suborganism level are included in this biosystem: tissues, cells, organelles, subcellular structures. Organ systems: excretory, musculoskeletal, digestive, respiratory, circulatory and lymphatic, immune, nervous, endocrine, integumentary, reproductive systems.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.