The document discusses three human body systems - the digestive system which describes what happens to food after swallowing, the circulatory system which is how blood moves through the body, and the skeletal system which is how bones connect to each other.

2. The Digestive system is what the food in our
mouth does when we swallow it.

4.  The circulatory system is how blood
moves through our body

6.  The skeletal system is how are bones
connect to each other.

8. That is all my slides!!
The digestive
The circulatory
The skeletal