Answer:
- Separate and eliminate waste
- Skeletal muscle cells-->Skeletal muscle tissue-->Skeletal muscle
- Skeletal and muscular.
- Joints
- Bones and ligaments.
Step-by-step explanation:
Separating and eliminating wastes is the function of excretory system.
The level of organization
Cells-tissue-organ-organ system-organism
Joint is a place where to bones meet.
Bones amd ligaments make up the Skeletal system.
Hope this really helps. ❤❤❤