Direction:Supply the missing words to complete the explanations below. choose your answer from the box.

skeletal. muscular.
digestive. respiratory.
circulatory. nervous.

1. muscles are attached to the bones of the______system to allow movement of the body.
2.The______system provides oxygen to all organ systems.
3.The______system depends on the circulatory system to deliver nutrients to the entire body.
4.The sense organs and the______system play an important role in an organism's survival.
5.The nervous and the______systems interact to do actions.​