1 | Defines the functions of the cell. |
2 | Explains the working mechanisms and functions of the musculoskeletal system. |
3 | Explains the working mechanisms and functions of the respiratory system. |
4 | Explains the working mechanisms and functions of the circulatory system. |
5 | Explains the working mechanisms and functions of the digestive system. |
6 | Explains the working mechanisms and functions of the urogenital system. Explains the working mechanisms and functions of the endocrine system. Explains the working mechanisms and functions of the nervous system and sensory organs. |