Skeletal, Muscular, Cardiovascular, Digestive, Nervous, Lymphatic, Endocrine, Reproductive. Depending on your teacher/textbook, skeletal & muscular may become musculoskeletal, and there could be an Integumentary System.
There is no such term as a body system but the organ systems are vital to the human body because they work together to do necessary jobs needed for survival for example the circulatory system uses...
Eleven Systems: Circulatory System (heart, blood, vessels) Respiratory System (nose, trachea, lungs) Immune System (many types of protein, cells, organs, tissues) Skeletal System (bones) Excretory...