Digestive/ Excretory


MS-LS1-3. Use argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells. Assessment is limited to the circulatory, excretory, digestive, respiratory, muscular, and nervous systems.

MS-LS1-7. Develop a model to describe how food is rearranged through chemical reactions forming new molecules that support growth and/or release energy as this matter moves through an organism.