The Skeletal System includes all the bones that make up our body. The skeletal system gives our body structure. Without bones we wouldn't be able to stand upright. The respiratory system is important because it provides oxygen to our body's cells. Without oxygen, we would not be able to survive.
Exercise is very good for our body systems.
It exercises our heart, which strengthens it. Exercise is also very good for reducing stress. Stress can cause many digestive, heart, and nervous problems. Eating good foods is very important to our body systems. In order for our body systems to work properly, they need nutrients.